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    <link:label id="lab_us-gaap_CashAndCashEquivalentsFairValueDisclosure_44FA4707638DFD7DBE344D60B8D63175_label_en-US" xlink:label="lab_us-gaap_CashAndCashEquivalentsFairValueDisclosure_44FA4707638DFD7DBE344D60B8D63175" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash and Cash Equivalents, Fair Value Disclosure</link:label>
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    <link:label id="lab_cci_RestrictedCashFairValueDisclosure_807D4322CE1F91895D0E4D60B8D6CF9F_terseLabel_en-US" xlink:label="lab_cci_RestrictedCashFairValueDisclosure_807D4322CE1F91895D0E4D60B8D6CF9F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Restricted cash, fair value</link:label>
    <link:label id="lab_cci_RestrictedCashFairValueDisclosure_807D4322CE1F91895D0E4D60B8D6CF9F_label_en-US" xlink:label="lab_cci_RestrictedCashFairValueDisclosure_807D4322CE1F91895D0E4D60B8D6CF9F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Restricted Cash Fair Value Disclosure</link:label>
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    <link:label id="lab_cci_DebtAndCapitalLeaseObligationsFairValueDisclosures_DBA19240D8734C0595624D60B8D6560D_documentation_en-US" xlink:label="lab_cci_DebtAndCapitalLeaseObligationsFairValueDisclosures_DBA19240D8734C0595624D60B8D6560D" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Sum of the fair values as of the balance sheet date of all debt, including all short-term borrowings, long-term debt, and capital lease obligations.</link:label>
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    <link:label id="lab_us-gaap_InterestPaid_B9BC7C5DD1D506E7F3C696F10056C18B_terseLabel_en-US" xlink:label="lab_us-gaap_InterestPaid_B9BC7C5DD1D506E7F3C696F10056C18B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Interest paid</link:label>
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    <link:label id="lab_us-gaap_SellingGeneralAndAdministrativeExpense_4097A7E70132EAB20D7AF0D8DE320A4C_terseLabel_en-US" xlink:label="lab_us-gaap_SellingGeneralAndAdministrativeExpense_4097A7E70132EAB20D7AF0D8DE320A4C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">General and administrative</link:label>
    <link:label id="lab_us-gaap_SellingGeneralAndAdministrativeExpense_4097A7E70132EAB20D7AF0D8DE320A4C_label_en-US" xlink:label="lab_us-gaap_SellingGeneralAndAdministrativeExpense_4097A7E70132EAB20D7AF0D8DE320A4C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Selling, General and Administrative Expense</link:label>
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    <link:label id="lab_us-gaap_AssetImpairmentCharges_9818535F0FFADFD685CBF0D8DE32689A_terseLabel_en-US" xlink:label="lab_us-gaap_AssetImpairmentCharges_9818535F0FFADFD685CBF0D8DE32689A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Asset write-down charges</link:label>
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    <link:label id="lab_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract_902BB84225EFB2B81659F0D8DE33E8A3_terseLabel_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract_902BB84225EFB2B81659F0D8DE33E8A3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other comprehensive income (loss):</link:label>
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    <link:label id="lab_us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax_3D5817B38C5A0264F42CF0D8DE33C0D4_terseLabel_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax_3D5817B38C5A0264F42CF0D8DE33C0D4" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Unrealized gains (losses), net of taxes</link:label>
    <link:label id="lab_us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax_3D5817B38C5A0264F42CF0D8DE33C0D4_label_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax_3D5817B38C5A0264F42CF0D8DE33C0D4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Comprehensive Income (Loss), Unrealized Holding Gain (Loss) on Securities Arising During Period, Net of Tax</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax_3D5817B38C5A0264F42CF0D8DE33C0D4" xlink:type="locator" />
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OtherComprehensiveIncomeReclassificationAdjustmentForSaleOfSecuritiesIncludedInNetIncomeNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeReclassificationAdjustmentForSaleOfSecuritiesIncludedInNetIncomeNetOfTax_D208B3D49279EE00B55306FE595B5D85" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherComprehensiveIncomeReclassificationAdjustmentForSaleOfSecuritiesIncludedInNetIncomeNetOfTax_D208B3D49279EE00B55306FE595B5D85" xlink:to="lab_us-gaap_OtherComprehensiveIncomeReclassificationAdjustmentForSaleOfSecuritiesIncludedInNetIncomeNetOfTax_D208B3D49279EE00B55306FE595B5D85" xlink:type="arc" />
    <link:label id="lab_us-gaap_OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPortionAttributableToParentAbstract_AF6B6B4C1C9F57614877F0D8DE33D9CA_terseLabel_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPortionAttributableToParentAbstract_AF6B6B4C1C9F57614877F0D8DE33D9CA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Derivative instruments net of taxes of $0, $(14,997) and $60,324, respectively:</link:label>
    <link:label id="lab_us-gaap_OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPortionAttributableToParentAbstract_AF6B6B4C1C9F57614877F0D8DE33D9CA_label_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPortionAttributableToParentAbstract_AF6B6B4C1C9F57614877F0D8DE33D9CA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Net of Tax, Portion Attributable to Parent [Abstract]</link:label>
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    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPortionAttributableToParentAbstract_AF6B6B4C1C9F57614877F0D8DE33D9CA" xlink:to="lab_us-gaap_OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPortionAttributableToParentAbstract_AF6B6B4C1C9F57614877F0D8DE33D9CA" xlink:type="arc" />
    <link:label id="lab_us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax_C86437FDF6345A11FEE8F0D8DE331B34_terseLabel_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax_C86437FDF6345A11FEE8F0D8DE331B34" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net change in fair value of cash flow hedging instruments, net of taxes</link:label>
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    <link:label id="lab_us-gaap_OtherComprehensiveIncomeReclassificationAdjustmentOnDerivativesIncludedInNetIncomeNetOfTax_E9A662F1039CF545052EF0D8DE337759_label_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeReclassificationAdjustmentOnDerivativesIncludedInNetIncomeNetOfTax_E9A662F1039CF545052EF0D8DE337759" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Comprehensive Income (Loss), Reclassification Adjustment on Derivatives Included in Net Income, Net of Tax</link:label>
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    <link:label id="lab_cci_GreaterThan20YearsInclusiveOfRenewalsAtCompanysOptionMember_129B4905C29616A1E1F27CDE8FC78088_documentation_en-US" xlink:label="lab_cci_GreaterThan20YearsInclusiveOfRenewalsAtCompanysOptionMember_129B4905C29616A1E1F27CDE8FC78088" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Greater than 20 Years, Inclusive of Renewals at the Company's Option</link:label>
    <link:loc xlink:href="cci-20111231.xsd#cci_GreaterThan20YearsInclusiveOfRenewalsAtCompanysOptionMember" xlink:label="loc_cci_GreaterThan20YearsInclusiveOfRenewalsAtCompanysOptionMember_129B4905C29616A1E1F27CDE8FC78088" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cci_GreaterThan20YearsInclusiveOfRenewalsAtCompanysOptionMember_129B4905C29616A1E1F27CDE8FC78088" xlink:to="lab_cci_GreaterThan20YearsInclusiveOfRenewalsAtCompanysOptionMember_129B4905C29616A1E1F27CDE8FC78088" xlink:type="arc" />
    <link:label id="lab_cci_WirelessInfrastructureMember_8FACE47FDC44A9E1A2047CDE8FC7F52B_terseLabel_en-US" xlink:label="lab_cci_WirelessInfrastructureMember_8FACE47FDC44A9E1A2047CDE8FC7F52B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Wireless Infrastructure [Member]</link:label>
    <link:label id="lab_cci_WirelessInfrastructureMember_8FACE47FDC44A9E1A2047CDE8FC7F52B_label_en-US" xlink:label="lab_cci_WirelessInfrastructureMember_8FACE47FDC44A9E1A2047CDE8FC7F52B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Wireless infrastructure [Member]</link:label>
    <link:label id="lab_cci_WirelessInfrastructureMember_8FACE47FDC44A9E1A2047CDE8FC7F52B_documentation_en-US" xlink:label="lab_cci_WirelessInfrastructureMember_8FACE47FDC44A9E1A2047CDE8FC7F52B" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Wireless infrastructure</link:label>
    <link:loc xlink:href="cci-20111231.xsd#cci_WirelessInfrastructureMember" xlink:label="loc_cci_WirelessInfrastructureMember_8FACE47FDC44A9E1A2047CDE8FC7F52B" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cci_WirelessInfrastructureMember_8FACE47FDC44A9E1A2047CDE8FC7F52B" xlink:to="lab_cci_WirelessInfrastructureMember_8FACE47FDC44A9E1A2047CDE8FC7F52B" xlink:type="arc" />
    <link:label id="lab_us-gaap_PropertySubjectToOrAvailableForOperatingLeaseLineItems_1729EC2063BB887B52187CDE8FC7F473_terseLabel_en-US" xlink:label="lab_us-gaap_PropertySubjectToOrAvailableForOperatingLeaseLineItems_1729EC2063BB887B52187CDE8FC7F473" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Property Subject to or Available for Operating Lease [Line Items]</link:label>
    <link:label id="lab_us-gaap_PropertySubjectToOrAvailableForOperatingLeaseLineItems_1729EC2063BB887B52187CDE8FC7F473_label_en-US" xlink:label="lab_us-gaap_PropertySubjectToOrAvailableForOperatingLeaseLineItems_1729EC2063BB887B52187CDE8FC7F473" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Property Subject to or Available for Operating Lease [Line Items]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PropertySubjectToOrAvailableForOperatingLeaseLineItems" xlink:label="loc_us-gaap_PropertySubjectToOrAvailableForOperatingLeaseLineItems_1729EC2063BB887B52187CDE8FC7F473" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PropertySubjectToOrAvailableForOperatingLeaseLineItems_1729EC2063BB887B52187CDE8FC7F473" xlink:to="lab_us-gaap_PropertySubjectToOrAvailableForOperatingLeaseLineItems_1729EC2063BB887B52187CDE8FC7F473" xlink:type="arc" />
    <link:label id="lab_cci_WeightedAverageRemainingTermOfTenantLeasesAtTenantsOption_22AE4C3B526957F9B8BE08EB6A3742A5_terseLabel_en-US" xlink:label="lab_cci_WeightedAverageRemainingTermOfTenantLeasesAtTenantsOption_22AE4C3B526957F9B8BE08EB6A3742A5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Weighted average remaining term of tenant leases</link:label>
    <link:label id="lab_cci_WeightedAverageRemainingTermOfTenantLeasesAtTenantsOption_22AE4C3B526957F9B8BE08EB6A3742A5_label_en-US" xlink:label="lab_cci_WeightedAverageRemainingTermOfTenantLeasesAtTenantsOption_22AE4C3B526957F9B8BE08EB6A3742A5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Weighted Average Remaining Term Of Tenant Leases at the Tenant's Option</link:label>
    <link:label id="lab_cci_WeightedAverageRemainingTermOfTenantLeasesAtTenantsOption_22AE4C3B526957F9B8BE08EB6A3742A5_documentation_en-US" xlink:label="lab_cci_WeightedAverageRemainingTermOfTenantLeasesAtTenantsOption_22AE4C3B526957F9B8BE08EB6A3742A5" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Weighted-average remaining term of tenant leases, exclusive of renewals at the tenant's option</link:label>
    <link:loc xlink:href="cci-20111231.xsd#cci_WeightedAverageRemainingTermOfTenantLeasesAtTenantsOption" xlink:label="loc_cci_WeightedAverageRemainingTermOfTenantLeasesAtTenantsOption_22AE4C3B526957F9B8BE08EB6A3742A5" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cci_WeightedAverageRemainingTermOfTenantLeasesAtTenantsOption_22AE4C3B526957F9B8BE08EB6A3742A5" xlink:to="lab_cci_WeightedAverageRemainingTermOfTenantLeasesAtTenantsOption_22AE4C3B526957F9B8BE08EB6A3742A5" xlink:type="arc" />
    <link:label id="lab_cci_MaximumCurrentTerm_ABFFBC635DF5E701FDA208EADA33B270_label_en-US" xlink:label="lab_cci_MaximumCurrentTerm_ABFFBC635DF5E701FDA208EADA33B270" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Maximum Current Term</link:label>
    <link:label id="lab_cci_MaximumCurrentTerm_ABFFBC635DF5E701FDA208EADA33B270_documentation_en-US" xlink:label="lab_cci_MaximumCurrentTerm_ABFFBC635DF5E701FDA208EADA33B270" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Maximum current term of tenant contracts, excluding the exercise of tenant renewal options.</link:label>
    <link:loc xlink:href="cci-20111231.xsd#cci_MaximumCurrentTerm" xlink:label="loc_cci_MaximumCurrentTerm_ABFFBC635DF5E701FDA208EADA33B270" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cci_MaximumCurrentTerm_ABFFBC635DF5E701FDA208EADA33B270" xlink:to="lab_cci_MaximumCurrentTerm_ABFFBC635DF5E701FDA208EADA33B270" xlink:type="arc" />
    <link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableCurrent_3FC704EDCE29C82EEB306A345139C596_terseLabel_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableCurrent_3FC704EDCE29C82EEB306A345139C596" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Tenant Leases 2012</link:label>
    <link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableCurrent_3FC704EDCE29C82EEB306A345139C596_label_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableCurrent_3FC704EDCE29C82EEB306A345139C596" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating Leases, Future Minimum Payments Receivable, Current</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableCurrent" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableCurrent_3FC704EDCE29C82EEB306A345139C596" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableCurrent_3FC704EDCE29C82EEB306A345139C596" xlink:to="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableCurrent_3FC704EDCE29C82EEB306A345139C596" xlink:type="arc" />
    <link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInTwoYears_25492CC5C2D62CB74B556A361741B846_terseLabel_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInTwoYears_25492CC5C2D62CB74B556A361741B846" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Tenant Leases 2013</link:label>
    <link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInTwoYears_25492CC5C2D62CB74B556A361741B846_label_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInTwoYears_25492CC5C2D62CB74B556A361741B846" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating Leases, Future Minimum Payments Receivable, in Two Years</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInTwoYears" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInTwoYears_25492CC5C2D62CB74B556A361741B846" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInTwoYears_25492CC5C2D62CB74B556A361741B846" xlink:to="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInTwoYears_25492CC5C2D62CB74B556A361741B846" xlink:type="arc" />
    <link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInThreeYears_9BC3BAEFB5CC6A1349756A36842E9156_terseLabel_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInThreeYears_9BC3BAEFB5CC6A1349756A36842E9156" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Tenant Leases 2014</link:label>
    <link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInThreeYears_9BC3BAEFB5CC6A1349756A36842E9156_label_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInThreeYears_9BC3BAEFB5CC6A1349756A36842E9156" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating Leases, Future Minimum Payments Receivable, in Three Years</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInThreeYears" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInThreeYears_9BC3BAEFB5CC6A1349756A36842E9156" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInThreeYears_9BC3BAEFB5CC6A1349756A36842E9156" xlink:to="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInThreeYears_9BC3BAEFB5CC6A1349756A36842E9156" xlink:type="arc" />
    <link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInFourYears_C58D2E9DD1BDA03F4BB46A36E4663A04_terseLabel_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInFourYears_C58D2E9DD1BDA03F4BB46A36E4663A04" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Tenant Leases 2015</link:label>
    <link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInFourYears_C58D2E9DD1BDA03F4BB46A36E4663A04_label_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInFourYears_C58D2E9DD1BDA03F4BB46A36E4663A04" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating Leases, Future Minimum Payments Receivable, in Four Years</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInFourYears" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInFourYears_C58D2E9DD1BDA03F4BB46A36E4663A04" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInFourYears_C58D2E9DD1BDA03F4BB46A36E4663A04" xlink:to="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInFourYears_C58D2E9DD1BDA03F4BB46A36E4663A04" xlink:type="arc" />
    <link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInFiveYears_7FEFCF7AC5D34846D8826A375325F555_terseLabel_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInFiveYears_7FEFCF7AC5D34846D8826A375325F555" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Tenant Leases 2016</link:label>
    <link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInFiveYears_7FEFCF7AC5D34846D8826A375325F555_label_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInFiveYears_7FEFCF7AC5D34846D8826A375325F555" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating Leases, Future Minimum Payments Receivable, in Five Years</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInFiveYears" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInFiveYears_7FEFCF7AC5D34846D8826A375325F555" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInFiveYears_7FEFCF7AC5D34846D8826A375325F555" xlink:to="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInFiveYears_7FEFCF7AC5D34846D8826A375325F555" xlink:type="arc" />
    <link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableThereafter_88EB29820101EC403CA36A37A482D12E_terseLabel_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableThereafter_88EB29820101EC403CA36A37A482D12E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Tenant Leases thereafter</link:label>
    <link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableThereafter_88EB29820101EC403CA36A37A482D12E_label_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableThereafter_88EB29820101EC403CA36A37A482D12E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating Leases, Future Minimum Payments Receivable, Thereafter</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableThereafter" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableThereafter_88EB29820101EC403CA36A37A482D12E" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableThereafter_88EB29820101EC403CA36A37A482D12E" xlink:to="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableThereafter_88EB29820101EC403CA36A37A482D12E" xlink:type="arc" />
    <link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivable_30574D84714D26F2C4566A38E9418828_totalLabel_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivable_30574D84714D26F2C4566A38E9418828" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total tenant leases</link:label>
    <link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivable_30574D84714D26F2C4566A38E9418828_label_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivable_30574D84714D26F2C4566A38E9418828" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating Leases, Future Minimum Payments Receivable</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsReceivable" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivable_30574D84714D26F2C4566A38E9418828" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivable_30574D84714D26F2C4566A38E9418828" xlink:to="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivable_30574D84714D26F2C4566A38E9418828" xlink:type="arc" />
    <link:label id="lab_cci_PercentageOfTowersOfficeSpaceAndEquipmentThatIsOnLandThatHasNonCancelableOperatingLeases_19DF24E1684D9FCC34017CDE8FC868E0_terseLabel_en-US" xlink:label="lab_cci_PercentageOfTowersOfficeSpaceAndEquipmentThatIsOnLandThatHasNonCancelableOperatingLeases_19DF24E1684D9FCC34017CDE8FC868E0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Percentage of wireless infrastructure, office space and equipment that is on land that has non-cancelable operating leases</link:label>
    <link:label id="lab_cci_PercentageOfTowersOfficeSpaceAndEquipmentThatIsOnLandThatHasNonCancelableOperatingLeases_19DF24E1684D9FCC34017CDE8FC868E0_label_en-US" xlink:label="lab_cci_PercentageOfTowersOfficeSpaceAndEquipmentThatIsOnLandThatHasNonCancelableOperatingLeases_19DF24E1684D9FCC34017CDE8FC868E0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Percentage of towers, office space and equipment that is on land that has non-cancelable operating leases</link:label>
    <link:label id="lab_cci_PercentageOfTowersOfficeSpaceAndEquipmentThatIsOnLandThatHasNonCancelableOperatingLeases_19DF24E1684D9FCC34017CDE8FC868E0_documentation_en-US" xlink:label="lab_cci_PercentageOfTowersOfficeSpaceAndEquipmentThatIsOnLandThatHasNonCancelableOperatingLeases_19DF24E1684D9FCC34017CDE8FC868E0" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The percentage of towers, office space and equipment that is on land that has non-cancelable operating leases.</link:label>
    <link:loc xlink:href="cci-20111231.xsd#cci_PercentageOfTowersOfficeSpaceAndEquipmentThatIsOnLandThatHasNonCancelableOperatingLeases" xlink:label="loc_cci_PercentageOfTowersOfficeSpaceAndEquipmentThatIsOnLandThatHasNonCancelableOperatingLeases_19DF24E1684D9FCC34017CDE8FC868E0" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cci_PercentageOfTowersOfficeSpaceAndEquipmentThatIsOnLandThatHasNonCancelableOperatingLeases_19DF24E1684D9FCC34017CDE8FC868E0" xlink:to="lab_cci_PercentageOfTowersOfficeSpaceAndEquipmentThatIsOnLandThatHasNonCancelableOperatingLeases_19DF24E1684D9FCC34017CDE8FC868E0" xlink:type="arc" />
    <link:label id="lab_cci_NumberOfTowersLocatedOnSpaceThatCompanyManages_6FDFA722D5BC9A88DFBF7CDE8FC8E114_terseLabel_en-US" xlink:label="lab_cci_NumberOfTowersLocatedOnSpaceThatCompanyManages_6FDFA722D5BC9A88DFBF7CDE8FC8E114" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of towers located on space that the company manages</link:label>
    <link:label id="lab_cci_NumberOfTowersLocatedOnSpaceThatCompanyManages_6FDFA722D5BC9A88DFBF7CDE8FC8E114_label_en-US" xlink:label="lab_cci_NumberOfTowersLocatedOnSpaceThatCompanyManages_6FDFA722D5BC9A88DFBF7CDE8FC8E114" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number of towers located on space that the company manages</link:label>
    <link:label id="lab_cci_NumberOfTowersLocatedOnSpaceThatCompanyManages_6FDFA722D5BC9A88DFBF7CDE8FC8E114_documentation_en-US" xlink:label="lab_cci_NumberOfTowersLocatedOnSpaceThatCompanyManages_6FDFA722D5BC9A88DFBF7CDE8FC8E114" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Number of towers located on space owned by third parties that the company manages.</link:label>
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    <link:label id="lab_cci_PercentageOfSiteRentalGrossMarginThatIsDerivedFromTowersWhereLeaseForLandHasFinalExpirationDate_5FD60D9C30DB6C85FE237CDE8FC8A4F5_terseLabel_en-US" xlink:label="lab_cci_PercentageOfSiteRentalGrossMarginThatIsDerivedFromTowersWhereLeaseForLandHasFinalExpirationDate_5FD60D9C30DB6C85FE237CDE8FC8A4F5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Percentage of site rental gross margin that is derived from wireless infrastructure where the lease for the land has a final expiration date</link:label>
    <link:label id="lab_cci_PercentageOfSiteRentalGrossMarginThatIsDerivedFromTowersWhereLeaseForLandHasFinalExpirationDate_5FD60D9C30DB6C85FE237CDE8FC8A4F5_label_en-US" xlink:label="lab_cci_PercentageOfSiteRentalGrossMarginThatIsDerivedFromTowersWhereLeaseForLandHasFinalExpirationDate_5FD60D9C30DB6C85FE237CDE8FC8A4F5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Percentage of site rental gross margin that is derived from towers where the lease for the land has a final expiration date</link:label>
    <link:label id="lab_cci_PercentageOfSiteRentalGrossMarginThatIsDerivedFromTowersWhereLeaseForLandHasFinalExpirationDate_5FD60D9C30DB6C85FE237CDE8FC8A4F5_documentation_en-US" xlink:label="lab_cci_PercentageOfSiteRentalGrossMarginThatIsDerivedFromTowersWhereLeaseForLandHasFinalExpirationDate_5FD60D9C30DB6C85FE237CDE8FC8A4F5" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Percentage of site rental gross margin that is derived from towers where the lease for the land has a final expiration date.</link:label>
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    <link:label id="lab_cci_MaximumLeaseTermYears_5FAE1933EBCBF6E8B133694383914DC3_terseLabel_en-US" xlink:label="lab_cci_MaximumLeaseTermYears_5FAE1933EBCBF6E8B133694383914DC3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Operating Leases, Owned Land Under Tower, Expiration Term</link:label>
    <link:label id="lab_cci_MaximumLeaseTermYears_5FAE1933EBCBF6E8B133694383914DC3_label_en-US" xlink:label="lab_cci_MaximumLeaseTermYears_5FAE1933EBCBF6E8B133694383914DC3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Maximum Lease Term, Years</link:label>
    <link:label id="lab_cci_MaximumLeaseTermYears_5FAE1933EBCBF6E8B133694383914DC3_documentation_en-US" xlink:label="lab_cci_MaximumLeaseTermYears_5FAE1933EBCBF6E8B133694383914DC3" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Maximum current lease expiration term, in years, of operating leases for tower under which the company owns land.</link:label>
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    <link:label id="lab_cci_OperatingLeasesLeasedLandUnderTowerExpirationTerm_8C6FDC3B37D7AF4A29866943E56C13A8_terseLabel_en-US" xlink:label="lab_cci_OperatingLeasesLeasedLandUnderTowerExpirationTerm_8C6FDC3B37D7AF4A29866943E56C13A8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Operating Leases, Leased Land Under Tower, Expiration Term</link:label>
    <link:label id="lab_cci_OperatingLeasesLeasedLandUnderTowerExpirationTerm_8C6FDC3B37D7AF4A29866943E56C13A8_label_en-US" xlink:label="lab_cci_OperatingLeasesLeasedLandUnderTowerExpirationTerm_8C6FDC3B37D7AF4A29866943E56C13A8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating Leases, Leased Land Under Tower, Expiration Term</link:label>
    <link:label id="lab_cci_OperatingLeasesLeasedLandUnderTowerExpirationTerm_8C6FDC3B37D7AF4A29866943E56C13A8_documentation_en-US" xlink:label="lab_cci_OperatingLeasesLeasedLandUnderTowerExpirationTerm_8C6FDC3B37D7AF4A29866943E56C13A8" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Operating Leases, Leased Land Under Tower, Expiration Term</link:label>
    <link:loc xlink:href="cci-20111231.xsd#cci_OperatingLeasesLeasedLandUnderTowerExpirationTerm" xlink:label="loc_cci_OperatingLeasesLeasedLandUnderTowerExpirationTerm_8C6FDC3B37D7AF4A29866943E56C13A8" xlink:type="locator" />
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    <link:label id="lab_us-gaap_PropertyPlantAndEquipmentUsefulLifeMaximum_6FDAA33AF9D2B1B7885A7CDE8FC893F5_terseLabel_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentUsefulLifeMaximum_6FDAA33AF9D2B1B7885A7CDE8FC893F5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Estimated useful life, maximum, in years</link:label>
    <link:label id="lab_us-gaap_PropertyPlantAndEquipmentUsefulLifeMaximum_6FDAA33AF9D2B1B7885A7CDE8FC893F5_label_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentUsefulLifeMaximum_6FDAA33AF9D2B1B7885A7CDE8FC893F5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Property, Plant and Equipment, Useful Life, Maximum</link:label>
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    <link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent_14E1DF4F5C81258582917CDE8FC8BDE1_terseLabel_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent_14E1DF4F5C81258582917CDE8FC8BDE1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Operating leases 2012</link:label>
    <link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent_14E1DF4F5C81258582917CDE8FC8BDE1_label_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent_14E1DF4F5C81258582917CDE8FC8BDE1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating Leases, Future Minimum Payments Due, Current</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent_14E1DF4F5C81258582917CDE8FC8BDE1" xlink:type="locator" />
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    <link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears_EFB1E6F9A3037AEACECB7CDE8FC8CF90_terseLabel_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears_EFB1E6F9A3037AEACECB7CDE8FC8CF90" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Operating leases 2013</link:label>
    <link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears_EFB1E6F9A3037AEACECB7CDE8FC8CF90_label_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears_EFB1E6F9A3037AEACECB7CDE8FC8CF90" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating Leases, Future Minimum Payments, Due in Two Years</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears_EFB1E6F9A3037AEACECB7CDE8FC8CF90" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears_EFB1E6F9A3037AEACECB7CDE8FC8CF90" xlink:to="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears_EFB1E6F9A3037AEACECB7CDE8FC8CF90" xlink:type="arc" />
    <link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears_A485F7490258BA8098987CDE8FC8FCB8_terseLabel_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears_A485F7490258BA8098987CDE8FC8FCB8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Operating leases 2014</link:label>
    <link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears_A485F7490258BA8098987CDE8FC8FCB8_label_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears_A485F7490258BA8098987CDE8FC8FCB8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating Leases, Future Minimum Payments, Due in Three Years</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears_A485F7490258BA8098987CDE8FC8FCB8" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears_A485F7490258BA8098987CDE8FC8FCB8" xlink:to="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears_A485F7490258BA8098987CDE8FC8FCB8" xlink:type="arc" />
    <link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears_71732B54C0E5984AB2047CDE8FC8A8FF_terseLabel_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears_71732B54C0E5984AB2047CDE8FC8A8FF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Operating leases 2015</link:label>
    <link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears_71732B54C0E5984AB2047CDE8FC8A8FF_label_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears_71732B54C0E5984AB2047CDE8FC8A8FF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating Leases, Future Minimum Payments, Due in Four Years</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears_71732B54C0E5984AB2047CDE8FC8A8FF" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears_71732B54C0E5984AB2047CDE8FC8A8FF" xlink:to="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears_71732B54C0E5984AB2047CDE8FC8A8FF" xlink:type="arc" />
    <link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears_3EEFD47605B4DE606D077CDE8FC816F2_terseLabel_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears_3EEFD47605B4DE606D077CDE8FC816F2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Operating leases 2016</link:label>
    <link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears_3EEFD47605B4DE606D077CDE8FC816F2_label_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears_3EEFD47605B4DE606D077CDE8FC816F2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating Leases, Future Minimum Payments, Due in Five Years</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears_3EEFD47605B4DE606D077CDE8FC816F2" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears_3EEFD47605B4DE606D077CDE8FC816F2" xlink:to="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears_3EEFD47605B4DE606D077CDE8FC816F2" xlink:type="arc" />
    <link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter_7B658AA1ED32BF0D1F7E7CDE8FC8AB93_terseLabel_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter_7B658AA1ED32BF0D1F7E7CDE8FC8AB93" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Operating leases thereafter</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter_7B658AA1ED32BF0D1F7E7CDE8FC8AB93" xlink:type="locator" />
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    <link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDue_1349C5236D07D223A8D57CDE8FC88187_totalLabel_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDue_1349C5236D07D223A8D57CDE8FC88187" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total operating leases</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDue" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDue_1349C5236D07D223A8D57CDE8FC88187" xlink:type="locator" />
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    <link:label id="lab_cci_OperatingLeaseAndRentalExpense_BEC9B4E1CD624AAB36CD7CDE8FC8988B_terseLabel_en-US" xlink:label="lab_cci_OperatingLeaseAndRentalExpense_BEC9B4E1CD624AAB36CD7CDE8FC8988B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Rental expense from operating leases</link:label>
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    <link:label id="lab_cci_OperatingLeaseAndRentalExpense_BEC9B4E1CD624AAB36CD7CDE8FC8988B_documentation_en-US" xlink:label="lab_cci_OperatingLeaseAndRentalExpense_BEC9B4E1CD624AAB36CD7CDE8FC8988B" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Rental expense incurred for leased assets.</link:label>
    <link:loc xlink:href="cci-20111231.xsd#cci_OperatingLeaseAndRentalExpense" xlink:label="loc_cci_OperatingLeaseAndRentalExpense_BEC9B4E1CD624AAB36CD7CDE8FC8988B" xlink:type="locator" />
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    <link:label id="lab_us-gaap_DebtInstrumentFaceAmount_4B4C262DDFB815A9E18B0C23984DC64F_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentFaceAmount_4B4C262DDFB815A9E18B0C23984DC64F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Face amount of debt instrument</link:label>
    <link:label id="lab_us-gaap_DebtInstrumentFaceAmount_4B4C262DDFB815A9E18B0C23984DC64F_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentFaceAmount_4B4C262DDFB815A9E18B0C23984DC64F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument, Face Amount</link:label>
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    <link:label id="lab_cci_DebtInstrumentLiborFloor_A4BCA441BBCEA316A1F75DF94E8EFDAB_terseLabel_en-US" xlink:label="lab_cci_DebtInstrumentLiborFloor_A4BCA441BBCEA316A1F75DF94E8EFDAB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Debt Instrument, LIBOR Floor</link:label>
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    <link:label id="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_EB311CEFD5B50F20D9AA3877F95B0EDE_terseLabel_en-US" xlink:label="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_EB311CEFD5B50F20D9AA3877F95B0EDE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2013</link:label>
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    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_EB311CEFD5B50F20D9AA3877F95B0EDE" xlink:to="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_EB311CEFD5B50F20D9AA3877F95B0EDE" xlink:type="arc" />
    <link:label id="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_B6E41D86525F000BD8E83877F95BECD7_terseLabel_en-US" xlink:label="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_B6E41D86525F000BD8E83877F95BECD7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2014</link:label>
    <link:label id="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_B6E41D86525F000BD8E83877F95BECD7_label_en-US" xlink:label="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_B6E41D86525F000BD8E83877F95BECD7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Long-term Debt, Maturities, Repayments of Principal in Year Three</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_B6E41D86525F000BD8E83877F95BECD7" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_B6E41D86525F000BD8E83877F95BECD7" xlink:to="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_B6E41D86525F000BD8E83877F95BECD7" xlink:type="arc" />
    <link:label id="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour_DA547FE8FF69AC3EA91C3877F95B35B0_terseLabel_en-US" xlink:label="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour_DA547FE8FF69AC3EA91C3877F95B35B0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2015</link:label>
    <link:label id="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour_DA547FE8FF69AC3EA91C3877F95B35B0_label_en-US" xlink:label="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour_DA547FE8FF69AC3EA91C3877F95B35B0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Long-term Debt, Maturities, Repayments of Principal in Year Four</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour_DA547FE8FF69AC3EA91C3877F95B35B0" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour_DA547FE8FF69AC3EA91C3877F95B35B0" xlink:to="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour_DA547FE8FF69AC3EA91C3877F95B35B0" xlink:type="arc" />
    <link:label id="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive_B9B344809994CF5CED143877F95B953D_terseLabel_en-US" xlink:label="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive_B9B344809994CF5CED143877F95B953D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2016</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive_B9B344809994CF5CED143877F95B953D" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive_B9B344809994CF5CED143877F95B953D" xlink:to="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive_B9B344809994CF5CED143877F95B953D" xlink:type="arc" />
    <link:label id="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive_5F4EA29D49DE30E14A1B3877F95B7A3D_terseLabel_en-US" xlink:label="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive_5F4EA29D49DE30E14A1B3877F95B7A3D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Thereafter</link:label>
    <link:label id="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive_5F4EA29D49DE30E14A1B3877F95B7A3D_label_en-US" xlink:label="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive_5F4EA29D49DE30E14A1B3877F95B7A3D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Long-term Debt, Maturities, Repayments of Principal after Year Five</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive_5F4EA29D49DE30E14A1B3877F95B7A3D" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive_5F4EA29D49DE30E14A1B3877F95B7A3D" xlink:to="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive_5F4EA29D49DE30E14A1B3877F95B7A3D" xlink:type="arc" />
    <link:label id="lab_us-gaap_DebtInstrumentCarryingAmount_7B0E67CE2E360B156DDE4301977108E6_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentCarryingAmount_7B0E67CE2E360B156DDE4301977108E6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Total Cash Obligations</link:label>
    <link:label id="lab_us-gaap_DebtInstrumentCarryingAmount_7B0E67CE2E360B156DDE4301977108E6_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentCarryingAmount_7B0E67CE2E360B156DDE4301977108E6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Long-term Debt, Gross</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtInstrumentCarryingAmount" xlink:label="loc_us-gaap_DebtInstrumentCarryingAmount_7B0E67CE2E360B156DDE4301977108E6" xlink:type="locator" />
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    <link:label id="lab_us-gaap_DebtInstrumentUnamortizedDiscount_414DC8BAA7BD3ED9B5F942FD930AA425_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentUnamortizedDiscount_414DC8BAA7BD3ED9B5F942FD930AA425" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Unamortized Discounts</link:label>
    <link:label id="lab_us-gaap_DebtInstrumentUnamortizedDiscount_414DC8BAA7BD3ED9B5F942FD930AA425_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentUnamortizedDiscount_414DC8BAA7BD3ED9B5F942FD930AA425" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument, Unamortized Discount</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtInstrumentUnamortizedDiscount" xlink:label="loc_us-gaap_DebtInstrumentUnamortizedDiscount_414DC8BAA7BD3ED9B5F942FD930AA425" xlink:type="locator" />
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    <link:label id="lab_us-gaap_LongTermDebt_50EF39598C607B0B478C68EDE9EC7FFE_terseLabel_en-US" xlink:label="lab_us-gaap_LongTermDebt_50EF39598C607B0B478C68EDE9EC7FFE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Total Debt and Other Obligations Outstanding</link:label>
    <link:label id="lab_us-gaap_LongTermDebt_50EF39598C607B0B478C68EDE9EC7FFE_label_en-US" xlink:label="lab_us-gaap_LongTermDebt_50EF39598C607B0B478C68EDE9EC7FFE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Long-term Debt</link:label>
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    <link:label id="lab_us-gaap_StatementOfCashFlowsAbstract_0B4E94982D2D7485A71C0734ED098ACA_label_en-US" xlink:label="lab_us-gaap_StatementOfCashFlowsAbstract_0B4E94982D2D7485A71C0734ED098ACA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Statement of Cash Flows [Abstract]</link:label>
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    <link:label id="lab_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_2BEF29D1BDEA45A7CF440734ED098830_terseLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_2BEF29D1BDEA45A7CF440734ED098830" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cash flows from operating activities:</link:label>
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    <link:label id="lab_us-gaap_DeferredIncomeTaxExpenseBenefit_35D574CA8C3B6E3AA99D0734ED0AD9C5_terseLabel_en-US" xlink:label="lab_us-gaap_DeferredIncomeTaxExpenseBenefit_35D574CA8C3B6E3AA99D0734ED0AD9C5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Deferred income tax benefit (provision)</link:label>
    <link:label id="lab_us-gaap_DeferredIncomeTaxExpenseBenefit_35D574CA8C3B6E3AA99D0734ED0AD9C5_label_en-US" xlink:label="lab_us-gaap_DeferredIncomeTaxExpenseBenefit_35D574CA8C3B6E3AA99D0734ED0AD9C5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Income Tax Expense (Benefit)</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DeferredIncomeTaxExpenseBenefit" xlink:label="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_35D574CA8C3B6E3AA99D0734ED0AD9C5" xlink:type="locator" />
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    <link:label id="lab_cci_IncomeExpenseFromForwardStartingInterestRateSwaps_945C4BA82FA4DF037C6A0734ED0A8D54_terseLabel_en-US" xlink:label="lab_cci_IncomeExpenseFromForwardStartingInterestRateSwaps_945C4BA82FA4DF037C6A0734ED0A8D54" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Income (expense) from forward-starting interest rate swaps</link:label>
    <link:label id="lab_cci_IncomeExpenseFromForwardStartingInterestRateSwaps_945C4BA82FA4DF037C6A0734ED0A8D54_label_en-US" xlink:label="lab_cci_IncomeExpenseFromForwardStartingInterestRateSwaps_945C4BA82FA4DF037C6A0734ED0A8D54" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Income expense from forward starting interest rate swaps</link:label>
    <link:label id="lab_cci_IncomeExpenseFromForwardStartingInterestRateSwaps_945C4BA82FA4DF037C6A0734ED0A8D54_documentation_en-US" xlink:label="lab_cci_IncomeExpenseFromForwardStartingInterestRateSwaps_945C4BA82FA4DF037C6A0734ED0A8D54" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Income (expense) recognized on the income statement from forward-starting interest rate swaps.</link:label>
    <link:loc xlink:href="cci-20111231.xsd#cci_IncomeExpenseFromForwardStartingInterestRateSwaps" xlink:label="loc_cci_IncomeExpenseFromForwardStartingInterestRateSwaps_945C4BA82FA4DF037C6A0734ED0A8D54" xlink:type="locator" />
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    <link:label id="lab_us-gaap_OtherNoncashIncomeExpense_1619663A525B4C818B010734ED0A7725_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_OtherNoncashIncomeExpense_1619663A525B4C818B010734ED0A7725" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Other adjustments</link:label>
    <link:label id="lab_us-gaap_OtherNoncashIncomeExpense_1619663A525B4C818B010734ED0A7725_label_en-US" xlink:label="lab_us-gaap_OtherNoncashIncomeExpense_1619663A525B4C818B010734ED0A7725" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Noncash Income (Expense)</link:label>
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    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherNoncashIncomeExpense_1619663A525B4C818B010734ED0A7725" xlink:to="lab_us-gaap_OtherNoncashIncomeExpense_1619663A525B4C818B010734ED0A7725" xlink:type="arc" />
    <link:label id="lab_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_D09472FC2CAB190F6B970734ED0A2B94_terseLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_D09472FC2CAB190F6B970734ED0A2B94" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Changes in assets and liabilities, excluding the effects of acquisitions:</link:label>
    <link:label id="lab_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_D09472FC2CAB190F6B970734ED0A2B94_label_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_D09472FC2CAB190F6B970734ED0A2B94" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) in Operating Capital [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" xlink:label="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_D09472FC2CAB190F6B970734ED0A2B94" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_D09472FC2CAB190F6B970734ED0A2B94" xlink:to="lab_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_D09472FC2CAB190F6B970734ED0A2B94" xlink:type="arc" />
    <link:label id="lab_us-gaap_IncreaseDecreaseInInterestPayableNet_5DFD46F385B2746BAE570734ED0ACB24_terseLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInInterestPayableNet_5DFD46F385B2746BAE570734ED0ACB24" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Increase (decrease) in accrued interest</link:label>
    <link:label id="lab_us-gaap_IncreaseDecreaseInInterestPayableNet_5DFD46F385B2746BAE570734ED0ACB24_label_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInInterestPayableNet_5DFD46F385B2746BAE570734ED0ACB24" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) in Interest Payable, Net</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncreaseDecreaseInInterestPayableNet" xlink:label="loc_us-gaap_IncreaseDecreaseInInterestPayableNet_5DFD46F385B2746BAE570734ED0ACB24" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncreaseDecreaseInInterestPayableNet_5DFD46F385B2746BAE570734ED0ACB24" xlink:to="lab_us-gaap_IncreaseDecreaseInInterestPayableNet_5DFD46F385B2746BAE570734ED0ACB24" xlink:type="arc" />
    <link:label id="lab_us-gaap_IncreaseDecreaseInAccountsPayableTrade_20725C5207EAAE9BA2720734ED0A5097_terseLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInAccountsPayableTrade_20725C5207EAAE9BA2720734ED0A5097" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Increase (decrease) in accounts payable</link:label>
    <link:label id="lab_us-gaap_IncreaseDecreaseInAccountsPayableTrade_20725C5207EAAE9BA2720734ED0A5097_label_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInAccountsPayableTrade_20725C5207EAAE9BA2720734ED0A5097" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) in Accounts Payable, Trade</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsPayableTrade" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsPayableTrade_20725C5207EAAE9BA2720734ED0A5097" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncreaseDecreaseInAccountsPayableTrade_20725C5207EAAE9BA2720734ED0A5097" xlink:to="lab_us-gaap_IncreaseDecreaseInAccountsPayableTrade_20725C5207EAAE9BA2720734ED0A5097" xlink:type="arc" />
    <link:label id="lab_us-gaap_IncreaseDecreaseInOtherOperatingLiabilities_AA79ED26A4A0C26F7F4A0734ED0AEC92_terseLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInOtherOperatingLiabilities_AA79ED26A4A0C26F7F4A0734ED0AEC92" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Increase (decrease) in deferred revenues, deferred ground lease payables, other accrued liabilities and other liabilities</link:label>
    <link:label id="lab_us-gaap_IncreaseDecreaseInOtherOperatingLiabilities_AA79ED26A4A0C26F7F4A0734ED0AEC92_label_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInOtherOperatingLiabilities_AA79ED26A4A0C26F7F4A0734ED0AEC92" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) in Other Operating Liabilities</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncreaseDecreaseInOtherOperatingLiabilities" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherOperatingLiabilities_AA79ED26A4A0C26F7F4A0734ED0AEC92" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncreaseDecreaseInOtherOperatingLiabilities_AA79ED26A4A0C26F7F4A0734ED0AEC92" xlink:to="lab_us-gaap_IncreaseDecreaseInOtherOperatingLiabilities_AA79ED26A4A0C26F7F4A0734ED0AEC92" xlink:type="arc" />
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    <link:label id="lab_us-gaap_IncreaseDecreaseInReceivables_67184437E3100A6454F80734ED0A1F5B_label_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInReceivables_67184437E3100A6454F80734ED0A1F5B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) in Receivables</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncreaseDecreaseInReceivables" xlink:label="loc_us-gaap_IncreaseDecreaseInReceivables_67184437E3100A6454F80734ED0A1F5B" xlink:type="locator" />
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    <link:label id="lab_us-gaap_IncreaseDecreaseInOtherOperatingAssets_4244990CBFF692388C5A0734ED0F070E_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInOtherOperatingAssets_4244990CBFF692388C5A0734ED0F070E" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Decrease (increase) in prepaid expenses, deferred site rental receivables, long-term prepaid rent, restricted cash and other assets</link:label>
    <link:label id="lab_us-gaap_IncreaseDecreaseInOtherOperatingAssets_4244990CBFF692388C5A0734ED0F070E_label_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInOtherOperatingAssets_4244990CBFF692388C5A0734ED0F070E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) in Other Operating Assets</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncreaseDecreaseInOtherOperatingAssets" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherOperatingAssets_4244990CBFF692388C5A0734ED0F070E" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncreaseDecreaseInOtherOperatingAssets_4244990CBFF692388C5A0734ED0F070E" xlink:to="lab_us-gaap_IncreaseDecreaseInOtherOperatingAssets_4244990CBFF692388C5A0734ED0F070E" xlink:type="arc" />
    <link:label id="lab_us-gaap_NetCashProvidedByUsedInOperatingActivities_AF28EB299B21D2CC10120734ED101FAF_totalLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInOperatingActivities_AF28EB299B21D2CC10120734ED101FAF" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Net cash provided by (used for) operating activities</link:label>
    <link:label id="lab_us-gaap_NetCashProvidedByUsedInOperatingActivities_AF28EB299B21D2CC10120734ED101FAF_label_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInOperatingActivities_AF28EB299B21D2CC10120734ED101FAF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Cash Provided by (Used in) Operating Activities</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_AF28EB299B21D2CC10120734ED101FAF" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_AF28EB299B21D2CC10120734ED101FAF" xlink:to="lab_us-gaap_NetCashProvidedByUsedInOperatingActivities_AF28EB299B21D2CC10120734ED101FAF" xlink:type="arc" />
    <link:label id="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_6F17AF4780DD4F4D8EE40734ED10E6A7_terseLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_6F17AF4780DD4F4D8EE40734ED10E6A7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cash flows from investing activities:</link:label>
    <link:label id="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_6F17AF4780DD4F4D8EE40734ED10E6A7_label_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_6F17AF4780DD4F4D8EE40734ED10E6A7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Cash Provided by (Used in) Investing Activities [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_6F17AF4780DD4F4D8EE40734ED10E6A7" xlink:type="locator" />
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    <link:label id="lab_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_C94AD3046ADB0D4692CB0734ED10016A_negatedLabel_en-US" xlink:label="lab_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_C94AD3046ADB0D4692CB0734ED10016A" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Payment for acquisitions of businesses, net of cash acquired</link:label>
    <link:label id="lab_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_C94AD3046ADB0D4692CB0734ED10016A_label_en-US" xlink:label="lab_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_C94AD3046ADB0D4692CB0734ED10016A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Payments to Acquire Businesses, Net of Cash Acquired</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired" xlink:label="loc_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_C94AD3046ADB0D4692CB0734ED10016A" xlink:type="locator" />
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PaymentsToAcquireProductiveAssets" xlink:label="loc_us-gaap_PaymentsToAcquireProductiveAssets_F5BBA5BAB1D7EB7318700734ED105BCC" xlink:type="locator" />
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    <link:label id="lab_us-gaap_AcquiredFiniteLivedIntangibleAssetAmount_8598E456D5C4BFAE88B12EC78F1CE1F2_terseLabel_en-US" xlink:label="lab_us-gaap_AcquiredFiniteLivedIntangibleAssetAmount_8598E456D5C4BFAE88B12EC78F1CE1F2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Acquired finite-lived intangible asset, amount</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AcquiredFiniteLivedIntangibleAssetAmount" xlink:label="loc_us-gaap_AcquiredFiniteLivedIntangibleAssetAmount_8598E456D5C4BFAE88B12EC78F1CE1F2" xlink:type="locator" />
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    <link:label id="lab_us-gaap_AmortizationOfIntangibleAssets_DF94A91810271C75DAEF2EC78F1CC4B5_terseLabel_en-US" xlink:label="lab_us-gaap_AmortizationOfIntangibleAssets_DF94A91810271C75DAEF2EC78F1CC4B5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Amortization expense</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AmortizationOfIntangibleAssets" xlink:label="loc_us-gaap_AmortizationOfIntangibleAssets_DF94A91810271C75DAEF2EC78F1CC4B5" xlink:type="locator" />
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    <link:label id="lab_us-gaap_FutureAmortizationExpenseYearOne_CD8449B86951162ED3196A0DA5F72D8E_terseLabel_en-US" xlink:label="lab_us-gaap_FutureAmortizationExpenseYearOne_CD8449B86951162ED3196A0DA5F72D8E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2012</link:label>
    <link:label id="lab_us-gaap_FutureAmortizationExpenseYearOne_CD8449B86951162ED3196A0DA5F72D8E_label_en-US" xlink:label="lab_us-gaap_FutureAmortizationExpenseYearOne_CD8449B86951162ED3196A0DA5F72D8E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Future Amortization Expense, Year One</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FutureAmortizationExpenseYearOne" xlink:label="loc_us-gaap_FutureAmortizationExpenseYearOne_CD8449B86951162ED3196A0DA5F72D8E" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FutureAmortizationExpenseYearOne_CD8449B86951162ED3196A0DA5F72D8E" xlink:to="lab_us-gaap_FutureAmortizationExpenseYearOne_CD8449B86951162ED3196A0DA5F72D8E" xlink:type="arc" />
    <link:label id="lab_us-gaap_FutureAmortizationExpenseYearTwo_7F0852A7E32925517E792EC78F1C93AC_terseLabel_en-US" xlink:label="lab_us-gaap_FutureAmortizationExpenseYearTwo_7F0852A7E32925517E792EC78F1C93AC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2013</link:label>
    <link:label id="lab_us-gaap_FutureAmortizationExpenseYearTwo_7F0852A7E32925517E792EC78F1C93AC_label_en-US" xlink:label="lab_us-gaap_FutureAmortizationExpenseYearTwo_7F0852A7E32925517E792EC78F1C93AC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Future Amortization Expense, Year Two</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FutureAmortizationExpenseYearTwo" xlink:label="loc_us-gaap_FutureAmortizationExpenseYearTwo_7F0852A7E32925517E792EC78F1C93AC" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FutureAmortizationExpenseYearTwo_7F0852A7E32925517E792EC78F1C93AC" xlink:to="lab_us-gaap_FutureAmortizationExpenseYearTwo_7F0852A7E32925517E792EC78F1C93AC" xlink:type="arc" />
    <link:label id="lab_us-gaap_FutureAmortizationExpenseYearThree_D5F28394599BFFF9BF762EC78F1C17F3_terseLabel_en-US" xlink:label="lab_us-gaap_FutureAmortizationExpenseYearThree_D5F28394599BFFF9BF762EC78F1C17F3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2014</link:label>
    <link:label id="lab_us-gaap_FutureAmortizationExpenseYearThree_D5F28394599BFFF9BF762EC78F1C17F3_label_en-US" xlink:label="lab_us-gaap_FutureAmortizationExpenseYearThree_D5F28394599BFFF9BF762EC78F1C17F3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Future Amortization Expense, Year Three</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FutureAmortizationExpenseYearThree" xlink:label="loc_us-gaap_FutureAmortizationExpenseYearThree_D5F28394599BFFF9BF762EC78F1C17F3" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FutureAmortizationExpenseYearThree_D5F28394599BFFF9BF762EC78F1C17F3" xlink:to="lab_us-gaap_FutureAmortizationExpenseYearThree_D5F28394599BFFF9BF762EC78F1C17F3" xlink:type="arc" />
    <link:label id="lab_us-gaap_FutureAmortizationExpenseYearFour_54C224A59867C40161032EC78F1C7D4B_terseLabel_en-US" xlink:label="lab_us-gaap_FutureAmortizationExpenseYearFour_54C224A59867C40161032EC78F1C7D4B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2015</link:label>
    <link:label id="lab_us-gaap_FutureAmortizationExpenseYearFour_54C224A59867C40161032EC78F1C7D4B_label_en-US" xlink:label="lab_us-gaap_FutureAmortizationExpenseYearFour_54C224A59867C40161032EC78F1C7D4B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Future Amortization Expense, Year Four</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FutureAmortizationExpenseYearFour" xlink:label="loc_us-gaap_FutureAmortizationExpenseYearFour_54C224A59867C40161032EC78F1C7D4B" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FutureAmortizationExpenseYearFour_54C224A59867C40161032EC78F1C7D4B" xlink:to="lab_us-gaap_FutureAmortizationExpenseYearFour_54C224A59867C40161032EC78F1C7D4B" xlink:type="arc" />
    <link:label id="lab_us-gaap_FutureAmortizationExpenseYearFive_FDA90A54ACA413087E0F2EC78F1CD512_terseLabel_en-US" xlink:label="lab_us-gaap_FutureAmortizationExpenseYearFive_FDA90A54ACA413087E0F2EC78F1CD512" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2016</link:label>
    <link:label id="lab_us-gaap_FutureAmortizationExpenseYearFive_FDA90A54ACA413087E0F2EC78F1CD512_label_en-US" xlink:label="lab_us-gaap_FutureAmortizationExpenseYearFive_FDA90A54ACA413087E0F2EC78F1CD512" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Future Amortization Expense, Year Five</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FutureAmortizationExpenseYearFive" xlink:label="loc_us-gaap_FutureAmortizationExpenseYearFive_FDA90A54ACA413087E0F2EC78F1CD512" xlink:type="locator" />
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    <link:label id="lab_us-gaap_DeferredRevenueAndCreditsAbstract_EF45309CEE828BC74EEA735703C096DD_terseLabel_en-US" xlink:label="lab_us-gaap_DeferredRevenueAndCreditsAbstract_EF45309CEE828BC74EEA735703C096DD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Deferred Credits [Abstract]</link:label>
    <link:label id="lab_us-gaap_DeferredRevenueAndCreditsAbstract_EF45309CEE828BC74EEA735703C096DD_label_en-US" xlink:label="lab_us-gaap_DeferredRevenueAndCreditsAbstract_EF45309CEE828BC74EEA735703C096DD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Revenue and Credits [Abstract]</link:label>
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    <link:label id="lab_cci_DeferredCreditAmortizationExpense_4AEED24304ABEE1A3AA52EC78F1CC3F1_terseLabel_en-US" xlink:label="lab_cci_DeferredCreditAmortizationExpense_4AEED24304ABEE1A3AA52EC78F1CC3F1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Deferred credit amortization expense</link:label>
    <link:label id="lab_cci_DeferredCreditAmortizationExpense_4AEED24304ABEE1A3AA52EC78F1CC3F1_label_en-US" xlink:label="lab_cci_DeferredCreditAmortizationExpense_4AEED24304ABEE1A3AA52EC78F1CC3F1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Credit Amortization Expense</link:label>
    <link:label id="lab_cci_DeferredCreditAmortizationExpense_4AEED24304ABEE1A3AA52EC78F1CC3F1_documentation_en-US" xlink:label="lab_cci_DeferredCreditAmortizationExpense_4AEED24304ABEE1A3AA52EC78F1CC3F1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Deferred Credit Amortization Expense</link:label>
    <link:loc xlink:href="cci-20111231.xsd#cci_DeferredCreditAmortizationExpense" xlink:label="loc_cci_DeferredCreditAmortizationExpense_4AEED24304ABEE1A3AA52EC78F1CC3F1" xlink:type="locator" />
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    <link:label id="lab_cci_DeferredCreditCarryingValueGross_AA7CE9B2C503D968CF082FBC19179866_terseLabel_en-US" xlink:label="lab_cci_DeferredCreditCarryingValueGross_AA7CE9B2C503D968CF082FBC19179866" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Deferred credit carrying value, gross</link:label>
    <link:label id="lab_cci_DeferredCreditCarryingValueGross_AA7CE9B2C503D968CF082FBC19179866_label_en-US" xlink:label="lab_cci_DeferredCreditCarryingValueGross_AA7CE9B2C503D968CF082FBC19179866" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Credit Carrying Value Gross</link:label>
    <link:label id="lab_cci_DeferredCreditCarryingValueGross_AA7CE9B2C503D968CF082FBC19179866_documentation_en-US" xlink:label="lab_cci_DeferredCreditCarryingValueGross_AA7CE9B2C503D968CF082FBC19179866" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Deferred Credit Carrying Value Gross</link:label>
    <link:loc xlink:href="cci-20111231.xsd#cci_DeferredCreditCarryingValueGross" xlink:label="loc_cci_DeferredCreditCarryingValueGross_AA7CE9B2C503D968CF082FBC19179866" xlink:type="locator" />
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    <link:label id="lab_cci_DeferredCreditAccumulatedAmortization_43032806FD0F9907CF4D2EC78F1D4856_negatedTerseLabel_en-US" xlink:label="lab_cci_DeferredCreditAccumulatedAmortization_43032806FD0F9907CF4D2EC78F1D4856" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Deferred credit accumulated amortization</link:label>
    <link:label id="lab_cci_DeferredCreditAccumulatedAmortization_43032806FD0F9907CF4D2EC78F1D4856_label_en-US" xlink:label="lab_cci_DeferredCreditAccumulatedAmortization_43032806FD0F9907CF4D2EC78F1D4856" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Credit Accumulated Amortization</link:label>
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    <link:loc xlink:href="cci-20111231.xsd#cci_DeferredCreditAccumulatedAmortization" xlink:label="loc_cci_DeferredCreditAccumulatedAmortization_43032806FD0F9907CF4D2EC78F1D4856" xlink:type="locator" />
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    <link:label id="lab_cci_DeferredCreditCarryingValueNet_FA1B7271C040112A8D562EC78F1D4621_totalLabel_en-US" xlink:label="lab_cci_DeferredCreditCarryingValueNet_FA1B7271C040112A8D562EC78F1D4621" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Deferred credit carrying value, net</link:label>
    <link:label id="lab_cci_DeferredCreditCarryingValueNet_FA1B7271C040112A8D562EC78F1D4621_label_en-US" xlink:label="lab_cci_DeferredCreditCarryingValueNet_FA1B7271C040112A8D562EC78F1D4621" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Credit Carrying Value Net</link:label>
    <link:label id="lab_cci_DeferredCreditCarryingValueNet_FA1B7271C040112A8D562EC78F1D4621_documentation_en-US" xlink:label="lab_cci_DeferredCreditCarryingValueNet_FA1B7271C040112A8D562EC78F1D4621" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Deferred Credit Carrying Value, Net</link:label>
    <link:loc xlink:href="cci-20111231.xsd#cci_DeferredCreditCarryingValueNet" xlink:label="loc_cci_DeferredCreditCarryingValueNet_FA1B7271C040112A8D562EC78F1D4621" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cci_DeferredCreditCarryingValueNet_FA1B7271C040112A8D562EC78F1D4621" xlink:to="lab_cci_DeferredCreditCarryingValueNet_FA1B7271C040112A8D562EC78F1D4621" xlink:type="arc" />
    <link:label id="lab_cci_DeferredCreditAmortizationExpenseYearOne_13737E43827A1CB263E12FA6A7435AE5_terseLabel_en-US" xlink:label="lab_cci_DeferredCreditAmortizationExpenseYearOne_13737E43827A1CB263E12FA6A7435AE5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2012</link:label>
    <link:label id="lab_cci_DeferredCreditAmortizationExpenseYearOne_13737E43827A1CB263E12FA6A7435AE5_label_en-US" xlink:label="lab_cci_DeferredCreditAmortizationExpenseYearOne_13737E43827A1CB263E12FA6A7435AE5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Credit Amortization Expense, Year One</link:label>
    <link:label id="lab_cci_DeferredCreditAmortizationExpenseYearOne_13737E43827A1CB263E12FA6A7435AE5_documentation_en-US" xlink:label="lab_cci_DeferredCreditAmortizationExpenseYearOne_13737E43827A1CB263E12FA6A7435AE5" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amortization expense within one year of the balance sheet date related to the Company&#8217;s above-market leases recorded in site rental costs of operations</link:label>
    <link:loc xlink:href="cci-20111231.xsd#cci_DeferredCreditAmortizationExpenseYearOne" xlink:label="loc_cci_DeferredCreditAmortizationExpenseYearOne_13737E43827A1CB263E12FA6A7435AE5" xlink:type="locator" />
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    <link:label id="lab_cci_DeferredCreditAmortizationExpenseYearTwo_72AF93709BDC415511F16A11633D2A8C_terseLabel_en-US" xlink:label="lab_cci_DeferredCreditAmortizationExpenseYearTwo_72AF93709BDC415511F16A11633D2A8C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2013</link:label>
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    <link:label id="lab_cci_DeferredCreditAmortizationExpenseYearTwo_72AF93709BDC415511F16A11633D2A8C_documentation_en-US" xlink:label="lab_cci_DeferredCreditAmortizationExpenseYearTwo_72AF93709BDC415511F16A11633D2A8C" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amortization expense within the second year from the balance sheet date related to the Company&#8217;s above-market leases recorded in site rental costs of operations</link:label>
    <link:loc xlink:href="cci-20111231.xsd#cci_DeferredCreditAmortizationExpenseYearTwo" xlink:label="loc_cci_DeferredCreditAmortizationExpenseYearTwo_72AF93709BDC415511F16A11633D2A8C" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cci_DeferredCreditAmortizationExpenseYearTwo_72AF93709BDC415511F16A11633D2A8C" xlink:to="lab_cci_DeferredCreditAmortizationExpenseYearTwo_72AF93709BDC415511F16A11633D2A8C" xlink:type="arc" />
    <link:label id="lab_cci_DeferredCreditAmortizationExpenseYearThree_549EE4FA86227E2DDA976A125C3EE584_terseLabel_en-US" xlink:label="lab_cci_DeferredCreditAmortizationExpenseYearThree_549EE4FA86227E2DDA976A125C3EE584" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2014</link:label>
    <link:label id="lab_cci_DeferredCreditAmortizationExpenseYearThree_549EE4FA86227E2DDA976A125C3EE584_label_en-US" xlink:label="lab_cci_DeferredCreditAmortizationExpenseYearThree_549EE4FA86227E2DDA976A125C3EE584" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Credit Amortization Expense, Year Three</link:label>
    <link:label id="lab_cci_DeferredCreditAmortizationExpenseYearThree_549EE4FA86227E2DDA976A125C3EE584_documentation_en-US" xlink:label="lab_cci_DeferredCreditAmortizationExpenseYearThree_549EE4FA86227E2DDA976A125C3EE584" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amortization expense within the third year from the balance sheet date related to the Company&#8217;s above-market leases recorded in site rental costs of operations</link:label>
    <link:loc xlink:href="cci-20111231.xsd#cci_DeferredCreditAmortizationExpenseYearThree" xlink:label="loc_cci_DeferredCreditAmortizationExpenseYearThree_549EE4FA86227E2DDA976A125C3EE584" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cci_DeferredCreditAmortizationExpenseYearThree_549EE4FA86227E2DDA976A125C3EE584" xlink:to="lab_cci_DeferredCreditAmortizationExpenseYearThree_549EE4FA86227E2DDA976A125C3EE584" xlink:type="arc" />
    <link:label id="lab_cci_DeferredCreditAmortizationExpenseYearFour_CA2B7E2B534A5EBA8B5D6A144DEB33F2_terseLabel_en-US" xlink:label="lab_cci_DeferredCreditAmortizationExpenseYearFour_CA2B7E2B534A5EBA8B5D6A144DEB33F2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2015</link:label>
    <link:label id="lab_cci_DeferredCreditAmortizationExpenseYearFour_CA2B7E2B534A5EBA8B5D6A144DEB33F2_label_en-US" xlink:label="lab_cci_DeferredCreditAmortizationExpenseYearFour_CA2B7E2B534A5EBA8B5D6A144DEB33F2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Credit Amortization Expense, Year Four</link:label>
    <link:label id="lab_cci_DeferredCreditAmortizationExpenseYearFour_CA2B7E2B534A5EBA8B5D6A144DEB33F2_documentation_en-US" xlink:label="lab_cci_DeferredCreditAmortizationExpenseYearFour_CA2B7E2B534A5EBA8B5D6A144DEB33F2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amortization expense within the fourth year from the balance sheet date related to the Company&#8217;s above-market leases recorded in site rental costs of operations</link:label>
    <link:loc xlink:href="cci-20111231.xsd#cci_DeferredCreditAmortizationExpenseYearFour" xlink:label="loc_cci_DeferredCreditAmortizationExpenseYearFour_CA2B7E2B534A5EBA8B5D6A144DEB33F2" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cci_DeferredCreditAmortizationExpenseYearFour_CA2B7E2B534A5EBA8B5D6A144DEB33F2" xlink:to="lab_cci_DeferredCreditAmortizationExpenseYearFour_CA2B7E2B534A5EBA8B5D6A144DEB33F2" xlink:type="arc" />
    <link:label id="lab_cci_DeferredCreditAmortizationExpenseYearFive_5358CBB17B546521D26D6A15130D2075_terseLabel_en-US" xlink:label="lab_cci_DeferredCreditAmortizationExpenseYearFive_5358CBB17B546521D26D6A15130D2075" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2016</link:label>
    <link:label id="lab_cci_DeferredCreditAmortizationExpenseYearFive_5358CBB17B546521D26D6A15130D2075_label_en-US" xlink:label="lab_cci_DeferredCreditAmortizationExpenseYearFive_5358CBB17B546521D26D6A15130D2075" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Credit Amortization Expense, Year Five</link:label>
    <link:label id="lab_cci_DeferredCreditAmortizationExpenseYearFive_5358CBB17B546521D26D6A15130D2075_documentation_en-US" xlink:label="lab_cci_DeferredCreditAmortizationExpenseYearFive_5358CBB17B546521D26D6A15130D2075" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amortization expense within the fifth year from the balance sheet date related to the Company&#8217;s above-market leases recorded in site rental costs of operations</link:label>
    <link:loc xlink:href="cci-20111231.xsd#cci_DeferredCreditAmortizationExpenseYearFive" xlink:label="loc_cci_DeferredCreditAmortizationExpenseYearFive_5358CBB17B546521D26D6A15130D2075" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cci_DeferredCreditAmortizationExpenseYearFive_5358CBB17B546521D26D6A15130D2075" xlink:to="lab_cci_DeferredCreditAmortizationExpenseYearFive_5358CBB17B546521D26D6A15130D2075" xlink:type="arc" />
    <link:label id="lab_us-gaap_ScheduleOfDebtTableTextBlock_0E2A43102722C4CA9836387C5DD6A9DC_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfDebtTableTextBlock_0E2A43102722C4CA9836387C5DD6A9DC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Long-Term Debt Instruments</link:label>
    <link:label id="lab_us-gaap_ScheduleOfDebtTableTextBlock_0E2A43102722C4CA9836387C5DD6A9DC_label_en-US" xlink:label="lab_us-gaap_ScheduleOfDebtTableTextBlock_0E2A43102722C4CA9836387C5DD6A9DC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Debt [Table Text Block]</link:label>
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    <link:label id="lab_us-gaap_ScheduleOfMaturitiesOfLongTermDebtTableTextBlock_E9A8136556E463101AAB38A882AC37AF_label_en-US" xlink:label="lab_us-gaap_ScheduleOfMaturitiesOfLongTermDebtTableTextBlock_E9A8136556E463101AAB38A882AC37AF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Maturities of Long-term Debt [Table Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ScheduleOfMaturitiesOfLongTermDebtTableTextBlock" xlink:label="loc_us-gaap_ScheduleOfMaturitiesOfLongTermDebtTableTextBlock_E9A8136556E463101AAB38A882AC37AF" xlink:type="locator" />
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    <link:label id="lab_us-gaap_ScheduleOfExtinguishmentOfDebtTextBlock_C4CBCD3BC40EEA38561A38AE1BACAB7C_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfExtinguishmentOfDebtTextBlock_C4CBCD3BC40EEA38561A38AE1BACAB7C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Extinguishment of Debt</link:label>
    <link:label id="lab_us-gaap_ScheduleOfExtinguishmentOfDebtTextBlock_C4CBCD3BC40EEA38561A38AE1BACAB7C_label_en-US" xlink:label="lab_us-gaap_ScheduleOfExtinguishmentOfDebtTextBlock_C4CBCD3BC40EEA38561A38AE1BACAB7C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Extinguishment of Debt [Table Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ScheduleOfExtinguishmentOfDebtTextBlock" xlink:label="loc_us-gaap_ScheduleOfExtinguishmentOfDebtTextBlock_C4CBCD3BC40EEA38561A38AE1BACAB7C" xlink:type="locator" />
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    <link:label id="lab_us-gaap_ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsTable_3D4F25720C5D5B2349948A6C32ECBB0C_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsTable_3D4F25720C5D5B2349948A6C32ECBB0C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Revenues from External Customers and Long-Lived Assets [Table]</link:label>
    <link:label id="lab_us-gaap_ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsTable_3D4F25720C5D5B2349948A6C32ECBB0C_label_en-US" xlink:label="lab_us-gaap_ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsTable_3D4F25720C5D5B2349948A6C32ECBB0C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Revenues from External Customers and Long-Lived Assets [Table]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsTable" xlink:label="loc_us-gaap_ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsTable_3D4F25720C5D5B2349948A6C32ECBB0C" xlink:type="locator" />
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    <link:label id="lab_us-gaap_StatementGeographicalAxis_B9825FC33F6274F47FA68A6C32EDE712_terseLabel_en-US" xlink:label="lab_us-gaap_StatementGeographicalAxis_B9825FC33F6274F47FA68A6C32EDE712" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Entity-Wide Disclosure on Geographic Areas, Long-Lived Assets in Individual Foreign Countries by Country [Axis]</link:label>
    <link:label id="lab_us-gaap_StatementGeographicalAxis_B9825FC33F6274F47FA68A6C32EDE712_label_en-US" xlink:label="lab_us-gaap_StatementGeographicalAxis_B9825FC33F6274F47FA68A6C32EDE712" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Statement, Geographical [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementGeographicalAxis" xlink:label="loc_us-gaap_StatementGeographicalAxis_B9825FC33F6274F47FA68A6C32EDE712" xlink:type="locator" />
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    <link:label id="lab_us-gaap_SegmentGeographicalDomain_BC0CDE998D66C87D0CC88A6C32ED2548_terseLabel_en-US" xlink:label="lab_us-gaap_SegmentGeographicalDomain_BC0CDE998D66C87D0CC88A6C32ED2548" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Segment, Geographical [Domain]</link:label>
    <link:label id="lab_us-gaap_SegmentGeographicalDomain_BC0CDE998D66C87D0CC88A6C32ED2548_label_en-US" xlink:label="lab_us-gaap_SegmentGeographicalDomain_BC0CDE998D66C87D0CC88A6C32ED2548" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Segment, Geographical [Domain]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SegmentGeographicalDomain" xlink:label="loc_us-gaap_SegmentGeographicalDomain_BC0CDE998D66C87D0CC88A6C32ED2548" xlink:type="locator" />
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    <link:label id="lab_cci_UnitedStatesMember_C2687B9B602C4CA033FF8A6C32ED90E5_terseLabel_en-US" xlink:label="lab_cci_UnitedStatesMember_C2687B9B602C4CA033FF8A6C32ED90E5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">United States [Member]</link:label>
    <link:label id="lab_cci_UnitedStatesMember_C2687B9B602C4CA033FF8A6C32ED90E5_label_en-US" xlink:label="lab_cci_UnitedStatesMember_C2687B9B602C4CA033FF8A6C32ED90E5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">United States [Member]</link:label>
    <link:label id="lab_cci_UnitedStatesMember_C2687B9B602C4CA033FF8A6C32ED90E5_documentation_en-US" xlink:label="lab_cci_UnitedStatesMember_C2687B9B602C4CA033FF8A6C32ED90E5" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">United States</link:label>
    <link:loc xlink:href="cci-20111231.xsd#cci_UnitedStatesMember" xlink:label="loc_cci_UnitedStatesMember_C2687B9B602C4CA033FF8A6C32ED90E5" xlink:type="locator" />
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    <link:label id="lab_cci_AustraliaMember_E3D67B660062566F058E8A6C32ED9DF2_terseLabel_en-US" xlink:label="lab_cci_AustraliaMember_E3D67B660062566F058E8A6C32ED9DF2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Australia [Member]</link:label>
    <link:label id="lab_cci_AustraliaMember_E3D67B660062566F058E8A6C32ED9DF2_label_en-US" xlink:label="lab_cci_AustraliaMember_E3D67B660062566F058E8A6C32ED9DF2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Australia [Member]</link:label>
    <link:label id="lab_cci_AustraliaMember_E3D67B660062566F058E8A6C32ED9DF2_documentation_en-US" xlink:label="lab_cci_AustraliaMember_E3D67B660062566F058E8A6C32ED9DF2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Australia</link:label>
    <link:loc xlink:href="cci-20111231.xsd#cci_AustraliaMember" xlink:label="loc_cci_AustraliaMember_E3D67B660062566F058E8A6C32ED9DF2" xlink:type="locator" />
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    <link:label id="lab_cci_OtherCountriesMember_2DE00038A91FDBCDBD328A6C32ED834C_documentation_en-US" xlink:label="lab_cci_OtherCountriesMember_2DE00038A91FDBCDBD328A6C32ED834C" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Other countries</link:label>
    <link:loc xlink:href="cci-20111231.xsd#cci_OtherCountriesMember" xlink:label="loc_cci_OtherCountriesMember_2DE00038A91FDBCDBD328A6C32ED834C" xlink:type="locator" />
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    <link:label id="lab_us-gaap_EntityWideDisclosureOnGeographicAreasLongLivedAssetsInEntitysCountryOfDomicile_3412739B099AC5A9E2098A6C32EE8BCF_terseLabel_en-US" xlink:label="lab_us-gaap_EntityWideDisclosureOnGeographicAreasLongLivedAssetsInEntitysCountryOfDomicile_3412739B099AC5A9E2098A6C32EE8BCF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">United States long-lived assets</link:label>
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    <link:label id="lab_cci_OriginalMaturitiesOfCashEquivalents_778A5B1BE5881C23A09E72702B342416_label_en-US" xlink:label="lab_cci_OriginalMaturitiesOfCashEquivalents_778A5B1BE5881C23A09E72702B342416" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Original maturities of cash equivalents</link:label>
    <link:label id="lab_cci_OriginalMaturitiesOfCashEquivalents_778A5B1BE5881C23A09E72702B342416_documentation_en-US" xlink:label="lab_cci_OriginalMaturitiesOfCashEquivalents_778A5B1BE5881C23A09E72702B342416" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This disclosure represents the original maturities of the Company's cash equivalents on the balance sheet</link:label>
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    <link:label id="lab_us-gaap_IncreaseDecreaseInRestrictedCashForOperatingActivities_47B11613F871DFA343FE294C50B1A3A0_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInRestrictedCashForOperatingActivities_47B11613F871DFA343FE294C50B1A3A0" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Increase (decrease) in restricted cash for operating activities</link:label>
    <link:label id="lab_us-gaap_IncreaseDecreaseInRestrictedCashForOperatingActivities_47B11613F871DFA343FE294C50B1A3A0_label_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInRestrictedCashForOperatingActivities_47B11613F871DFA343FE294C50B1A3A0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) in Restricted Cash for Operating Activities</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncreaseDecreaseInRestrictedCashForOperatingActivities" xlink:label="loc_us-gaap_IncreaseDecreaseInRestrictedCashForOperatingActivities_47B11613F871DFA343FE294C50B1A3A0" xlink:type="locator" />
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    <link:label id="lab_cci_IncreaseDecreaseInRestrictedCashForInvestingActivities_836B251E26737CB50E5E08875E522A23_negatedTerseLabel_en-US" xlink:label="lab_cci_IncreaseDecreaseInRestrictedCashForInvestingActivities_836B251E26737CB50E5E08875E522A23" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Increase (decrease) in restricted cash for investing activities</link:label>
    <link:label id="lab_cci_IncreaseDecreaseInRestrictedCashForInvestingActivities_836B251E26737CB50E5E08875E522A23_label_en-US" xlink:label="lab_cci_IncreaseDecreaseInRestrictedCashForInvestingActivities_836B251E26737CB50E5E08875E522A23" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) in Restricted Cash for Investing Activities</link:label>
    <link:label id="lab_cci_IncreaseDecreaseInRestrictedCashForInvestingActivities_836B251E26737CB50E5E08875E522A23_documentation_en-US" xlink:label="lab_cci_IncreaseDecreaseInRestrictedCashForInvestingActivities_836B251E26737CB50E5E08875E522A23" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The net cash inflow or outflow for the increase (decrease) associated with funds that are not available for withdrawal or use and are associated with underlying transactions that are classified as investing activities.</link:label>
    <link:loc xlink:href="cci-20111231.xsd#cci_IncreaseDecreaseInRestrictedCashForInvestingActivities" xlink:label="loc_cci_IncreaseDecreaseInRestrictedCashForInvestingActivities_836B251E26737CB50E5E08875E522A23" xlink:type="locator" />
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    <link:label id="lab_cci_AllowanceForDeferredSiteRentalReceivables_44D5DB4FF4908A3790B5296F4037F9B8_terseLabel_en-US" xlink:label="lab_cci_AllowanceForDeferredSiteRentalReceivables_44D5DB4FF4908A3790B5296F4037F9B8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Allowance for deferred site rental receivables</link:label>
    <link:label id="lab_cci_AllowanceForDeferredSiteRentalReceivables_44D5DB4FF4908A3790B5296F4037F9B8_label_en-US" xlink:label="lab_cci_AllowanceForDeferredSiteRentalReceivables_44D5DB4FF4908A3790B5296F4037F9B8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Allowance for deferred site rental receivables</link:label>
    <link:label id="lab_cci_AllowanceForDeferredSiteRentalReceivables_44D5DB4FF4908A3790B5296F4037F9B8_documentation_en-US" xlink:label="lab_cci_AllowanceForDeferredSiteRentalReceivables_44D5DB4FF4908A3790B5296F4037F9B8" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">An allowance for uncollectible amount to offset the deferred site rental receivable that arises from site rental revenue recognized in excess of amount currently due under lease agreement.</link:label>
    <link:loc xlink:href="cci-20111231.xsd#cci_AllowanceForDeferredSiteRentalReceivables" xlink:label="loc_cci_AllowanceForDeferredSiteRentalReceivables_44D5DB4FF4908A3790B5296F4037F9B8" xlink:type="locator" />
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    <link:label id="lab_us-gaap_PropertyPlantAndEquipmentUsefulLifeMaximum_6A50241D3633B34618A9297DF4645572_verboseLabel_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentUsefulLifeMaximum_6A50241D3633B34618A9297DF4645572" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Property, plant and equipment estimated useful life, maximum (years)</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PropertyPlantAndEquipmentUsefulLifeMaximum" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentUsefulLifeMaximum_6A50241D3633B34618A9297DF4645572" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentUsefulLifeMaximum_6A50241D3633B34618A9297DF4645572" xlink:to="lab_us-gaap_PropertyPlantAndEquipmentUsefulLifeMaximum_6A50241D3633B34618A9297DF4645572" xlink:type="arc" />
    <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsUsefulLife_842098F55245C5E7B4842981E25BC076_terseLabel_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsUsefulLife_842098F55245C5E7B4842981E25BC076" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Useful life of site rental contracts and customer relationships (years)</link:label>
    <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsUsefulLife_842098F55245C5E7B4842981E25BC076_label_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsUsefulLife_842098F55245C5E7B4842981E25BC076" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Finite-Lived Intangible Assets, Useful Life</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsUsefulLife" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsUsefulLife_842098F55245C5E7B4842981E25BC076" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsUsefulLife_842098F55245C5E7B4842981E25BC076" xlink:to="lab_us-gaap_FiniteLivedIntangibleAssetsUsefulLife_842098F55245C5E7B4842981E25BC076" xlink:type="arc" />
    <link:label id="lab_cci_RevenueRecognitionNonCancelableLeaseTermRangeMinimum_6928D0128920FB7E669E298864D8D0ED_terseLabel_en-US" xlink:label="lab_cci_RevenueRecognitionNonCancelableLeaseTermRangeMinimum_6928D0128920FB7E669E298864D8D0ED" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Revenue recognition, non-cancelable lease term, minimum (years)</link:label>
    <link:label id="lab_cci_RevenueRecognitionNonCancelableLeaseTermRangeMinimum_6928D0128920FB7E669E298864D8D0ED_label_en-US" xlink:label="lab_cci_RevenueRecognitionNonCancelableLeaseTermRangeMinimum_6928D0128920FB7E669E298864D8D0ED" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Revenue Recognition Non-cancelable Lease Term Range, Minimum</link:label>
    <link:label id="lab_cci_RevenueRecognitionNonCancelableLeaseTermRangeMinimum_6928D0128920FB7E669E298864D8D0ED_documentation_en-US" xlink:label="lab_cci_RevenueRecognitionNonCancelableLeaseTermRangeMinimum_6928D0128920FB7E669E298864D8D0ED" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Revenue Recognition Non-cancelable Lease Term, Range (Minimum)</link:label>
    <link:loc xlink:href="cci-20111231.xsd#cci_RevenueRecognitionNonCancelableLeaseTermRangeMinimum" xlink:label="loc_cci_RevenueRecognitionNonCancelableLeaseTermRangeMinimum_6928D0128920FB7E669E298864D8D0ED" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cci_RevenueRecognitionNonCancelableLeaseTermRangeMinimum_6928D0128920FB7E669E298864D8D0ED" xlink:to="lab_cci_RevenueRecognitionNonCancelableLeaseTermRangeMinimum_6928D0128920FB7E669E298864D8D0ED" xlink:type="arc" />
    <link:label id="lab_cci_RevenueRecognitionNonCancelableLeaseTermRangeMaximum_DC9916BC2F66914FF6BE298B47299CCD_terseLabel_en-US" xlink:label="lab_cci_RevenueRecognitionNonCancelableLeaseTermRangeMaximum_DC9916BC2F66914FF6BE298B47299CCD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Revenue recognition, non-cancelable lease term, maximum (years)</link:label>
    <link:label id="lab_cci_RevenueRecognitionNonCancelableLeaseTermRangeMaximum_DC9916BC2F66914FF6BE298B47299CCD_label_en-US" xlink:label="lab_cci_RevenueRecognitionNonCancelableLeaseTermRangeMaximum_DC9916BC2F66914FF6BE298B47299CCD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Revenue Recognition Non Cancelable Lease Term Range Maximum</link:label>
    <link:label id="lab_cci_RevenueRecognitionNonCancelableLeaseTermRangeMaximum_DC9916BC2F66914FF6BE298B47299CCD_documentation_en-US" xlink:label="lab_cci_RevenueRecognitionNonCancelableLeaseTermRangeMaximum_DC9916BC2F66914FF6BE298B47299CCD" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Revenue Recognition Non Cancelable Lease Term, Range (Maximum)</link:label>
    <link:loc xlink:href="cci-20111231.xsd#cci_RevenueRecognitionNonCancelableLeaseTermRangeMaximum" xlink:label="loc_cci_RevenueRecognitionNonCancelableLeaseTermRangeMaximum_DC9916BC2F66914FF6BE298B47299CCD" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cci_RevenueRecognitionNonCancelableLeaseTermRangeMaximum_DC9916BC2F66914FF6BE298B47299CCD" xlink:to="lab_cci_RevenueRecognitionNonCancelableLeaseTermRangeMaximum_DC9916BC2F66914FF6BE298B47299CCD" xlink:type="arc" />
    <link:label id="lab_cci_PortionOfCompanySiteRentalCostsThatAreGroundLeaseExpenses_3E5AE6967591D12916702992C230D1BA_terseLabel_en-US" xlink:label="lab_cci_PortionOfCompanySiteRentalCostsThatAreGroundLeaseExpenses_3E5AE6967591D12916702992C230D1BA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Portion of company site rental costs that are ground lease expenses</link:label>
    <link:label id="lab_cci_PortionOfCompanySiteRentalCostsThatAreGroundLeaseExpenses_3E5AE6967591D12916702992C230D1BA_label_en-US" xlink:label="lab_cci_PortionOfCompanySiteRentalCostsThatAreGroundLeaseExpenses_3E5AE6967591D12916702992C230D1BA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Portion of Company Site Rental Costs That Are Ground Lease Expenses</link:label>
    <link:label id="lab_cci_PortionOfCompanySiteRentalCostsThatAreGroundLeaseExpenses_3E5AE6967591D12916702992C230D1BA_documentation_en-US" xlink:label="lab_cci_PortionOfCompanySiteRentalCostsThatAreGroundLeaseExpenses_3E5AE6967591D12916702992C230D1BA" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Portion of Company site rental costs That are related to ground lease expenses</link:label>
    <link:loc xlink:href="cci-20111231.xsd#cci_PortionOfCompanySiteRentalCostsThatAreGroundLeaseExpenses" xlink:label="loc_cci_PortionOfCompanySiteRentalCostsThatAreGroundLeaseExpenses_3E5AE6967591D12916702992C230D1BA" xlink:type="locator" />
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    <link:label id="lab_cci_GroundLeaseAgreementInitialTerm_073936BE1EC4AE33E18E2995E75C4F99_terseLabel_en-US" xlink:label="lab_cci_GroundLeaseAgreementInitialTerm_073936BE1EC4AE33E18E2995E75C4F99" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Ground lease agreement initial term</link:label>
    <link:label id="lab_cci_GroundLeaseAgreementInitialTerm_073936BE1EC4AE33E18E2995E75C4F99_label_en-US" xlink:label="lab_cci_GroundLeaseAgreementInitialTerm_073936BE1EC4AE33E18E2995E75C4F99" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Ground Lease Agreement Initial Term</link:label>
    <link:label id="lab_cci_GroundLeaseAgreementInitialTerm_073936BE1EC4AE33E18E2995E75C4F99_documentation_en-US" xlink:label="lab_cci_GroundLeaseAgreementInitialTerm_073936BE1EC4AE33E18E2995E75C4F99" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This disclosure represents the initial term of the Company&#8217;s ground lease agreements</link:label>
    <link:loc xlink:href="cci-20111231.xsd#cci_GroundLeaseAgreementInitialTerm" xlink:label="loc_cci_GroundLeaseAgreementInitialTerm_073936BE1EC4AE33E18E2995E75C4F99" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cci_GroundLeaseAgreementInitialTerm_073936BE1EC4AE33E18E2995E75C4F99" xlink:to="lab_cci_GroundLeaseAgreementInitialTerm_073936BE1EC4AE33E18E2995E75C4F99" xlink:type="arc" />
    <link:label id="lab_cci_PercentageOfTaxPositionThatIsLikelyOfBeingRealizedUponUltimateSettlement_DBD0C5F7838F736AD7A429A62485DD80_terseLabel_en-US" xlink:label="lab_cci_PercentageOfTaxPositionThatIsLikelyOfBeingRealizedUponUltimateSettlement_DBD0C5F7838F736AD7A429A62485DD80" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Percentage of tax position that is likely of being realized upon ultimate settlement</link:label>
    <link:label id="lab_cci_PercentageOfTaxPositionThatIsLikelyOfBeingRealizedUponUltimateSettlement_DBD0C5F7838F736AD7A429A62485DD80_label_en-US" xlink:label="lab_cci_PercentageOfTaxPositionThatIsLikelyOfBeingRealizedUponUltimateSettlement_DBD0C5F7838F736AD7A429A62485DD80" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Percentage of tax position that is likely of being realized upon ultimate settlement</link:label>
    <link:label id="lab_cci_PercentageOfTaxPositionThatIsLikelyOfBeingRealizedUponUltimateSettlement_DBD0C5F7838F736AD7A429A62485DD80_documentation_en-US" xlink:label="lab_cci_PercentageOfTaxPositionThatIsLikelyOfBeingRealizedUponUltimateSettlement_DBD0C5F7838F736AD7A429A62485DD80" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The threshold percentage of an uncertain tax position at which the Company will recognize a tax position.</link:label>
    <link:loc xlink:href="cci-20111231.xsd#cci_PercentageOfTaxPositionThatIsLikelyOfBeingRealizedUponUltimateSettlement" xlink:label="loc_cci_PercentageOfTaxPositionThatIsLikelyOfBeingRealizedUponUltimateSettlement_DBD0C5F7838F736AD7A429A62485DD80" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cci_PercentageOfTaxPositionThatIsLikelyOfBeingRealizedUponUltimateSettlement_DBD0C5F7838F736AD7A429A62485DD80" xlink:to="lab_cci_PercentageOfTaxPositionThatIsLikelyOfBeingRealizedUponUltimateSettlement_DBD0C5F7838F736AD7A429A62485DD80" xlink:type="arc" />
    <link:label id="lab_us-gaap_ScheduleOfSharebasedCompensationRestrictedStockAndRestrictedStockUnitsActivityTableTextBlock_C3ED9C8216977A32EBCF7680E67663CD_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfSharebasedCompensationRestrictedStockAndRestrictedStockUnitsActivityTableTextBlock_C3ED9C8216977A32EBCF7680E67663CD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Summary of Restricted Stock Awards Activity</link:label>
    <link:label id="lab_us-gaap_ScheduleOfSharebasedCompensationRestrictedStockAndRestrictedStockUnitsActivityTableTextBlock_C3ED9C8216977A32EBCF7680E67663CD_label_en-US" xlink:label="lab_us-gaap_ScheduleOfSharebasedCompensationRestrictedStockAndRestrictedStockUnitsActivityTableTextBlock_C3ED9C8216977A32EBCF7680E67663CD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Share-based Compensation, Restricted Stock and Restricted Stock Units Activity [Table Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ScheduleOfSharebasedCompensationRestrictedStockAndRestrictedStockUnitsActivityTableTextBlock" xlink:label="loc_us-gaap_ScheduleOfSharebasedCompensationRestrictedStockAndRestrictedStockUnitsActivityTableTextBlock_C3ED9C8216977A32EBCF7680E67663CD" xlink:type="locator" />
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    <link:label id="lab_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_BBAADFA57EADA31AE68A387C5F92E7A2_label_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_BBAADFA57EADA31AE68A387C5F92E7A2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Line of Credit Facility, Maximum Borrowing Capacity</link:label>
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    <link:label id="lab_cci_DebtInstrumentAdditionalInterestRateFederalFundsRate_C8ED1D1C19A16343297E43B10F094685_terseLabel_en-US" xlink:label="lab_cci_DebtInstrumentAdditionalInterestRateFederalFundsRate_C8ED1D1C19A16343297E43B10F094685" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Debt Instrument Additional Interest Rate Federal Funds Rate</link:label>
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    <link:label id="lab_cci_DebtInstrumentCreditSpreadPrimeFederalFundsRateMinimum_614150318146E76E438A43B26A109669_terseLabel_en-US" xlink:label="lab_cci_DebtInstrumentCreditSpreadPrimeFederalFundsRateMinimum_614150318146E76E438A43B26A109669" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Debt instrument credit spread prime federal funds rate, minimum</link:label>
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    <link:label id="lab_cci_DebtInstrumentCreditSpreadPrimeFederalFundsRateMinimum_614150318146E76E438A43B26A109669_documentation_en-US" xlink:label="lab_cci_DebtInstrumentCreditSpreadPrimeFederalFundsRateMinimum_614150318146E76E438A43B26A109669" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The minimum credit spread incremental to the prime federal funds rate plus 0.5%.</link:label>
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    <link:label id="lab_cci_DebtInstrumentCreditSpreadPrimeFederalFundsRateMaximum_E5164267EA0C2A8ED2D243B7693D8BBF_label_en-US" xlink:label="lab_cci_DebtInstrumentCreditSpreadPrimeFederalFundsRateMaximum_E5164267EA0C2A8ED2D243B7693D8BBF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument Credit Spread Prime Federal Funds Rate Maximum</link:label>
    <link:label id="lab_cci_DebtInstrumentCreditSpreadPrimeFederalFundsRateMaximum_E5164267EA0C2A8ED2D243B7693D8BBF_documentation_en-US" xlink:label="lab_cci_DebtInstrumentCreditSpreadPrimeFederalFundsRateMaximum_E5164267EA0C2A8ED2D243B7693D8BBF" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The maximum credit spread incremental to the prime federal funds rate plus 0.5%.</link:label>
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    <link:label id="lab_cci_DebtInstrumentCreditSpreadLiborRateMinimum_C1575CE818421CF32D1D4744A7ECFDBA_terseLabel_en-US" xlink:label="lab_cci_DebtInstrumentCreditSpreadLiborRateMinimum_C1575CE818421CF32D1D4744A7ECFDBA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Debt instrument credit spread LIBOR rate minimum</link:label>
    <link:label id="lab_cci_DebtInstrumentCreditSpreadLiborRateMinimum_C1575CE818421CF32D1D4744A7ECFDBA_label_en-US" xlink:label="lab_cci_DebtInstrumentCreditSpreadLiborRateMinimum_C1575CE818421CF32D1D4744A7ECFDBA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt instrument credit spread LIBOR rate minimum</link:label>
    <link:label id="lab_cci_DebtInstrumentCreditSpreadLiborRateMinimum_C1575CE818421CF32D1D4744A7ECFDBA_documentation_en-US" xlink:label="lab_cci_DebtInstrumentCreditSpreadLiborRateMinimum_C1575CE818421CF32D1D4744A7ECFDBA" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The minimum credit spread incremental to the LIBOR rate for purposes of determining the interest rate for a debt instrument.</link:label>
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    <link:label id="lab_cci_DebtInstrumentCreditSpreadLiborRateMaximum_BAD48B616F86510497A947454872862A_terseLabel_en-US" xlink:label="lab_cci_DebtInstrumentCreditSpreadLiborRateMaximum_BAD48B616F86510497A947454872862A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Debt Instrument Credit Spread Libor Rate Maximum</link:label>
    <link:label id="lab_cci_DebtInstrumentCreditSpreadLiborRateMaximum_BAD48B616F86510497A947454872862A_label_en-US" xlink:label="lab_cci_DebtInstrumentCreditSpreadLiborRateMaximum_BAD48B616F86510497A947454872862A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument Credit Spread Libor Rate Maximum</link:label>
    <link:label id="lab_cci_DebtInstrumentCreditSpreadLiborRateMaximum_BAD48B616F86510497A947454872862A_documentation_en-US" xlink:label="lab_cci_DebtInstrumentCreditSpreadLiborRateMaximum_BAD48B616F86510497A947454872862A" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The maximum credit spread incremental to the LIBOR rate for purposes of determining the interest rate for a debt instrument.</link:label>
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    <link:label id="lab_cci_DebtInstrumentCreditSpreadLiborRate_80F438D2AD82E3F8E8C7394E8E1579A2_terseLabel_en-US" xlink:label="lab_cci_DebtInstrumentCreditSpreadLiborRate_80F438D2AD82E3F8E8C7394E8E1579A2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Debt Instrument, Basis Spread on Variable Rate</link:label>
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    <link:label id="lab_cci_DebtInstrumentCreditSpreadLiborRate_80F438D2AD82E3F8E8C7394E8E1579A2_documentation_en-US" xlink:label="lab_cci_DebtInstrumentCreditSpreadLiborRate_80F438D2AD82E3F8E8C7394E8E1579A2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Debt instrument credit spread LIBOR rate.</link:label>
    <link:loc xlink:href="cci-20111231.xsd#cci_DebtInstrumentCreditSpreadLiborRate" xlink:label="loc_cci_DebtInstrumentCreditSpreadLiborRate_80F438D2AD82E3F8E8C7394E8E1579A2" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cci_DebtInstrumentCreditSpreadLiborRate_80F438D2AD82E3F8E8C7394E8E1579A2" xlink:to="lab_cci_DebtInstrumentCreditSpreadLiborRate_80F438D2AD82E3F8E8C7394E8E1579A2" xlink:type="arc" />
    <link:label id="lab_cci_DebtInstrumentAdditionalInterestRateMargin_09D79225CA2365721736387C5F923AA6_verboseLabel_en-US" xlink:label="lab_cci_DebtInstrumentAdditionalInterestRateMargin_09D79225CA2365721736387C5F923AA6" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Additional interest accruing following anticipated repayment dates</link:label>
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    <link:label id="lab_us-gaap_DebtInstrumentCarryingAmount_BFBB61C7DB88EE2D0587387C5F92C3F8_verboseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentCarryingAmount_BFBB61C7DB88EE2D0587387C5F92C3F8" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Principal balance outstanding on debt instruments</link:label>
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    <link:label id="lab_us-gaap_DebtInstrumentInterestRateEffectivePercentage_D222F2A8AA18418B08F0387C5F933A30_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentInterestRateEffectivePercentage_D222F2A8AA18418B08F0387C5F933A30" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Effective yield rate, inclusive of discount</link:label>
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    <link:loc xlink:href="cci-20111231.xsd#cci_DebtInstrumentMaturityDateRangeBeginning" xlink:label="loc_cci_DebtInstrumentMaturityDateRangeBeginning_3012E2F287A0FC35BC1D387C5F932696" xlink:type="locator" />
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    <link:label id="lab_cci_LineOfCreditIncreasedBorrowingCapacity_260910167E362E9EC0B5422C670F2E37_terseLabel_en-US" xlink:label="lab_cci_LineOfCreditIncreasedBorrowingCapacity_260910167E362E9EC0B5422C670F2E37" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Line of credit facility possible additional borrowing capacity</link:label>
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    <link:label id="lab_cci_LineOfCreditIncreasedBorrowingCapacity_260910167E362E9EC0B5422C670F2E37_documentation_en-US" xlink:label="lab_cci_LineOfCreditIncreasedBorrowingCapacity_260910167E362E9EC0B5422C670F2E37" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents the total increase in aggregate revolving commitment availability in the designated period.</link:label>
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    <link:label id="lab_us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent_6270066145FC11A1196D42355CB5D835_verboseLabel_en-US" xlink:label="lab_us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent_6270066145FC11A1196D42355CB5D835" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Additional borrowings</link:label>
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    <link:label id="lab_us-gaap_DebtInstrumentPeriodicPaymentPrincipal_3A70961B7233FA8C55F44263F1B4D456_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentPeriodicPaymentPrincipal_3A70961B7233FA8C55F44263F1B4D456" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Quarterly installments</link:label>
    <link:label id="lab_us-gaap_DebtInstrumentPeriodicPaymentPrincipal_3A70961B7233FA8C55F44263F1B4D456_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentPeriodicPaymentPrincipal_3A70961B7233FA8C55F44263F1B4D456" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument, Periodic Payment, Principal</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtInstrumentPeriodicPaymentPrincipal" xlink:label="loc_us-gaap_DebtInstrumentPeriodicPaymentPrincipal_3A70961B7233FA8C55F44263F1B4D456" xlink:type="locator" />
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    <link:label id="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue_1E580B8A913A3D24A4734269756461EF_verboseLabel_en-US" xlink:label="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue_1E580B8A913A3D24A4734269756461EF" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Security interest</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_1E580B8A913A3D24A4734269756461EF" xlink:type="locator" />
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    <link:label id="lab_us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage_70D06C261A3CC2617A74426FB2FF38A8_terseLabel_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage_70D06C261A3CC2617A74426FB2FF38A8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Commitment fee</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage" xlink:label="loc_us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage_70D06C261A3CC2617A74426FB2FF38A8" xlink:type="locator" />
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    <link:label id="lab_us-gaap_DebtInstrumentCovenantDescription_2422A269AF91D0F795666A226FFEDF40_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentCovenantDescription_2422A269AF91D0F795666A226FFEDF40" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument, Covenant Description</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtInstrumentCovenantDescription" xlink:label="loc_us-gaap_DebtInstrumentCovenantDescription_2422A269AF91D0F795666A226FFEDF40" xlink:type="locator" />
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    <link:label id="lab_cci_DebtToAdjustedCashFlowRatio_1A78A7606E829502056B6706D2A23C76_terseLabel_en-US" xlink:label="lab_cci_DebtToAdjustedCashFlowRatio_1A78A7606E829502056B6706D2A23C76" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Debt to Adjusted Cash Flow Ratio</link:label>
    <link:label id="lab_cci_DebtToAdjustedCashFlowRatio_1A78A7606E829502056B6706D2A23C76_label_en-US" xlink:label="lab_cci_DebtToAdjustedCashFlowRatio_1A78A7606E829502056B6706D2A23C76" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt to Adjusted Cash Flow Ratio</link:label>
    <link:label id="lab_cci_DebtToAdjustedCashFlowRatio_1A78A7606E829502056B6706D2A23C76_documentation_en-US" xlink:label="lab_cci_DebtToAdjustedCashFlowRatio_1A78A7606E829502056B6706D2A23C76" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Debt to Adjusted Cash Flow Ratio</link:label>
    <link:loc xlink:href="cci-20111231.xsd#cci_DebtToAdjustedCashFlowRatio" xlink:label="loc_cci_DebtToAdjustedCashFlowRatio_1A78A7606E829502056B6706D2A23C76" xlink:type="locator" />
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    <link:label id="lab_cci_RedemptionPricingPercentageOfPrincipalAmount_549782729820566832AC42A14E8383DC_terseLabel_en-US" xlink:label="lab_cci_RedemptionPricingPercentageOfPrincipalAmount_549782729820566832AC42A14E8383DC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Redemption pricing percentage of principal amount</link:label>
    <link:label id="lab_cci_RedemptionPricingPercentageOfPrincipalAmount_549782729820566832AC42A14E8383DC_label_en-US" xlink:label="lab_cci_RedemptionPricingPercentageOfPrincipalAmount_549782729820566832AC42A14E8383DC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Redemption pricing percentage of principal amount</link:label>
    <link:label id="lab_cci_RedemptionPricingPercentageOfPrincipalAmount_549782729820566832AC42A14E8383DC_documentation_en-US" xlink:label="lab_cci_RedemptionPricingPercentageOfPrincipalAmount_549782729820566832AC42A14E8383DC" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The percentage of the principal amount that may be redeemed.</link:label>
    <link:loc xlink:href="cci-20111231.xsd#cci_RedemptionPricingPercentageOfPrincipalAmount" xlink:label="loc_cci_RedemptionPricingPercentageOfPrincipalAmount_549782729820566832AC42A14E8383DC" xlink:type="locator" />
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    <link:label id="lab_cci_CondensedConsolidatedBalanceSheetParentheticalAbstract_9DD13CD073C216F9B960F1608C888739_label_en-US" xlink:label="lab_cci_CondensedConsolidatedBalanceSheetParentheticalAbstract_9DD13CD073C216F9B960F1608C888739" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Condensed Consolidated Balance Sheet (Parenthetical) [Abstract]</link:label>
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