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  <xsd:element id="cci_DebtInstrumentMaturityDateRange" name="DebtInstrumentMaturityDateRange" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="cci_DebtInstrumentMaturityDateRangeBeginning" name="DebtInstrumentMaturityDateRangeBeginning" nillable="true" substitutionGroup="xbrli:item" type="us-types:durationStringItemType" xbrli:periodType="duration" />
  <xsd:element id="cci_DebtInstrumentMaturityDateRangeEnding" name="DebtInstrumentMaturityDateRangeEnding" nillable="true" substitutionGroup="xbrli:item" type="us-types:durationStringItemType" xbrli:periodType="duration" />
  <xsd:element id="cci_DebtToAdjustedCashFlowRatio" name="DebtToAdjustedCashFlowRatio" nillable="true" substitutionGroup="xbrli:item" type="xbrli:decimalItemType" xbrli:periodType="duration" />
  <xsd:element id="cci_DeferredCreditAccumulatedAmortization" name="DeferredCreditAccumulatedAmortization" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="cci_DeferredCreditAmortizationExpense" name="DeferredCreditAmortizationExpense" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="cci_DeferredCreditAmortizationExpenseYearFive" name="DeferredCreditAmortizationExpenseYearFive" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="cci_DeferredCreditAmortizationExpenseYearFour" name="DeferredCreditAmortizationExpenseYearFour" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="cci_DeferredCreditAmortizationExpenseYearOne" name="DeferredCreditAmortizationExpenseYearOne" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="cci_DeferredCreditAmortizationExpenseYearThree" name="DeferredCreditAmortizationExpenseYearThree" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="cci_DeferredCreditAmortizationExpenseYearTwo" name="DeferredCreditAmortizationExpenseYearTwo" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="cci_DeferredCreditCarryingValueGross" name="DeferredCreditCarryingValueGross" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="cci_DeferredCreditCarryingValueNet" name="DeferredCreditCarryingValueNet" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="cci_DeferredTaxAssetsAvailableForSaleSecurities" name="DeferredTaxAssetsAvailableForSaleSecurities" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="cci_DeferredTaxAssetsPrepaidLeases" name="DeferredTaxAssetsPrepaidLeases" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="cci_DeferredTaxLiabilitiesGross" name="DeferredTaxLiabilitiesGross" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="cci_DeferredTaxValuationAllowanceMember" name="DeferredTaxValuationAllowanceMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cci_DepreciationAmortizationAndAccretionMember" name="DepreciationAmortizationAndAccretionMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cci_DiscreteEventsIncludingAcquisitionsMember" name="DiscreteEventsIncludingAcquisitionsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cci_DiscreteEventsMember" name="DiscreteEventsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cci_DocumentAndEntityInformation" name="DocumentAndEntityInformation" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cci_EarningsPerShareBasicAndDilutedByCommonClassLineItems" name="EarningsPerShareBasicAndDilutedByCommonClassLineItems" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cci_EliminationMember" name="EliminationMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="cci_EstimatedFuturePropertyTaxCommitment" name="EstimatedFuturePropertyTaxCommitment" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="cci_EstimatedFutureUndiscountedCashFlowsExpectedToBePaidRelatingToAssetRetirementObligations" name="EstimatedFutureUndiscountedCashFlowsExpectedToBePaidRelatingToAssetRetirementObligations" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="cci_FairValueDisclosures" name="FairValueDisclosures" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cci_FixedRateDebt2009SecuritizedNotesFirstTrancheMember" name="FixedRateDebt2009SecuritizedNotesFirstTrancheMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cci_FixedRateDebt2009SecuritizedNotesMember" name="FixedRateDebt2009SecuritizedNotesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cci_FixedRateDebt2009SecuritizedNotesSecondTrancheMember" name="FixedRateDebt2009SecuritizedNotesSecondTrancheMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cci_FixedRateHighYieldBonds775SecuredNotesMember" name="FixedRateHighYieldBonds775SecuredNotesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cci_FixedRateHighYieldBonds7Point125PercentSeniorNotesMember" name="FixedRateHighYieldBonds7Point125PercentSeniorNotesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cci_FixedRateHighYieldBonds7Point5PercentSeniorNotesMember" name="FixedRateHighYieldBonds7Point5PercentSeniorNotesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cci_FixedRateHighYieldBonds7Point75PercentSecuredNotesMember" name="FixedRateHighYieldBonds7Point75PercentSecuredNotesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cci_FixedRateHighYieldBonds9PercentSeniorNotesMember" name="FixedRateHighYieldBonds9PercentSeniorNotesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cci_FixedRateHighYieldBonds9SeniorNotesMember" name="FixedRateHighYieldBonds9SeniorNotesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cci_FixedRateSecuritizedDebt2005TowerRevenueNotesMember" name="FixedRateSecuritizedDebt2005TowerRevenueNotesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cci_FixedRateSecuritizedDebt2006TowerRevenueNotesMember" name="FixedRateSecuritizedDebt2006TowerRevenueNotesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cci_FixedRateSecuritizedDebt2010TowerRevenueNotesMember" name="FixedRateSecuritizedDebt2010TowerRevenueNotesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cci_FixedRateSecuritizedDebtAugust2010TowerRevenueNotesFirstTrancheMember" name="FixedRateSecuritizedDebtAugust2010TowerRevenueNotesFirstTrancheMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cci_FixedRateSecuritizedDebtAugust2010TowerRevenueNotesMember" name="FixedRateSecuritizedDebtAugust2010TowerRevenueNotesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cci_FixedRateSecuritizedDebtAugust2010TowerRevenueNotesSecondTrancheMember" name="FixedRateSecuritizedDebtAugust2010TowerRevenueNotesSecondTrancheMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cci_FixedRateSecuritizedDebtAugust2010TowerRevenueNotesThirdTrancheMember" name="FixedRateSecuritizedDebtAugust2010TowerRevenueNotesThirdTrancheMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cci_FixedRateSecuritizedDebtJanuary2010TowerRevenueNotesFirstTrancheMember" name="FixedRateSecuritizedDebtJanuary2010TowerRevenueNotesFirstTrancheMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cci_FixedRateSecuritizedDebtJanuary2010TowerRevenueNotesMember" name="FixedRateSecuritizedDebtJanuary2010TowerRevenueNotesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cci_FixedRateSecuritizedDebtJanuary2010TowerRevenueNotesSecondTrancheMember" name="FixedRateSecuritizedDebtJanuary2010TowerRevenueNotesSecondTrancheMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cci_FixedRateSecuritizedDebtJanuary2010TowerRevenueNotesThirdTrancheMember" name="FixedRateSecuritizedDebtJanuary2010TowerRevenueNotesThirdTrancheMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="cci_ForwardStartingDerivativeInterestRateSwapMaturityPeriod" name="ForwardStartingDerivativeInterestRateSwapMaturityPeriod" nillable="true" substitutionGroup="xbrli:item" type="us-types:durationStringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cci_FurnitureTransportationAndOtherEquipmentMember" name="FurnitureTransportationAndOtherEquipmentMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="cci_GainLossOnInterestRateDerivativeInstrumentsOtherIncomeExpense" name="GainLossOnInterestRateDerivativeInstrumentsOtherIncomeExpense" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cci_GreaterThan10YearsInclusiveOfRenewalsAtCompanysOptionMember" name="GreaterThan10YearsInclusiveOfRenewalsAtCompanysOptionMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cci_GreaterThan20YearsInclusiveOfRenewalsAtCompanysOptionMember" name="GreaterThan20YearsInclusiveOfRenewalsAtCompanysOptionMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="cci_GroundLeaseAgreementInitialTerm" name="GroundLeaseAgreementInitialTerm" nillable="true" substitutionGroup="xbrli:item" type="us-types:durationStringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cci_HighYieldBondsMember" name="HighYieldBondsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cci_InConstructionMember" name="InConstructionMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="cci_IncomeExpenseFromForwardStartingInterestRateSwaps" name="IncomeExpenseFromForwardStartingInterestRateSwaps" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cci_IncomeTaxesAbstract" name="IncomeTaxesAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="cci_IncreaseDecreaseInRestrictedCashForInvestingActivities" name="IncreaseDecreaseInRestrictedCashForInvestingActivities" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cci_IntangibleAssetsAndDeferredCredits" name="IntangibleAssetsAndDeferredCredits" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="cci_InterestExpenseAndAmortizationOfDeferredFinancingCosts" name="InterestExpenseAndAmortizationOfDeferredFinancingCosts" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="cci_IssuancesOfCapitalStockNetOfForfeituresShares" name="IssuancesOfCapitalStockNetOfForfeituresShares" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="duration" />
  <xsd:element id="cci_IssuancesOfCapitalStockNetOfForfeituresValue" name="IssuancesOfCapitalStockNetOfForfeituresValue" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="cci_JurisdictionalComponentsOfDeferredTaxAssetsAndLiabilitiesTextBlock" name="JurisdictionalComponentsOfDeferredTaxAssetsAndLiabilitiesTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="cci_LandInterestsRelatedToCompanyTowers" name="LandInterestsRelatedToCompanyTowers" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="instant" />
  <xsd:element id="cci_LeasesTextBlock" name="LeasesTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="cci_LengthOfFiber" name="LengthOfFiber" nillable="true" substitutionGroup="xbrli:item" type="num:lengthItemType" xbrli:periodType="instant" />
  <xsd:element id="cci_LineOfCreditIncreasedBorrowingCapacity" name="LineOfCreditIncreasedBorrowingCapacity" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="cci_LossRecognizedInIncomeDiscontinuationOfHedgeAccounting" name="LossRecognizedInIncomeDiscontinuationOfHedgeAccounting" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="cci_LossesForWhichNoTaxBenefitWasRecognized" name="LossesForWhichNoTaxBenefitWasRecognized" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="cci_MaximumCurrentTerm" name="MaximumCurrentTerm" nillable="true" substitutionGroup="xbrli:item" type="us-types:durationStringItemType" xbrli:periodType="duration" />
  <xsd:element id="cci_MaximumLeaseTermYears" name="MaximumLeaseTermYears" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cci_NetworkServicesAndOtherCostsOfOperationsMember" name="NetworkServicesAndOtherCostsOfOperationsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cci_NewpathNetworksIncMember" name="NewpathNetworksIncMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cci_NextgNetworksIncMember" name="NextgNetworksIncMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="cci_Nodes" name="Nodes" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="cci_NodesByTypeAxis" name="NodesByTypeAxis" nillable="true" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cci_NodesByTypeDomain" name="NodesByTypeDomain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cci_NonEmployeeDirectorMember" name="NonEmployeeDirectorMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="cci_NoncashIncreaseDecreaseInFairValueOfForwardStartingInterestRateSwaps" name="NoncashIncreaseDecreaseInFairValueOfForwardStartingInterestRateSwaps" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="cci_NumberOfDistributedAntennaSystemsInOperationOrUnderConstruction" name="NumberOfDistributedAntennaSystemsInOperationOrUnderConstruction" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration" />
  <xsd:element id="cci_NumberOfTowersLocatedOnSpaceThatCompanyManages" name="NumberOfTowersLocatedOnSpaceThatCompanyManages" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cci_OnAirMember" name="OnAirMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="cci_OperatingLeaseAndRentalExpense" name="OperatingLeaseAndRentalExpense" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="cci_OperatingLeasesLeasedLandUnderTowerExpirationTerm" name="OperatingLeasesLeasedLandUnderTowerExpirationTerm" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cci_OperatingSegmentsAndConcentrationsOfCreditRiskAbstract" name="OperatingSegmentsAndConcentrationsOfCreditRiskAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="cci_OriginalMaturitiesOfCashEquivalents" name="OriginalMaturitiesOfCashEquivalents" nillable="true" substitutionGroup="xbrli:item" type="us-types:durationStringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cci_OtherComprehensiveIncomeLossMember" name="OtherComprehensiveIncomeLossMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cci_OtherCountriesMember" name="OtherCountriesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="cci_PaymentsForForwardStartingInterestRateSwapSettlements" name="PaymentsForForwardStartingInterestRateSwapSettlements" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="cci_PercentageOfDebtInstrumentInterestRateStated" name="PercentageOfDebtInstrumentInterestRateStated" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="cci_PercentageOfSiteRentalGrossMarginThatIsDerivedFromTowersWhereLeaseForLandHasFinalExpirationDate" name="PercentageOfSiteRentalGrossMarginThatIsDerivedFromTowersWhereLeaseForLandHasFinalExpirationDate" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="cci_PercentageOfTaxPositionThatIsLikelyOfBeingRealizedUponUltimateSettlement" name="PercentageOfTaxPositionThatIsLikelyOfBeingRealizedUponUltimateSettlement" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="cci_PercentageOfTotalNodes" name="PercentageOfTotalNodes" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="instant" />
  <xsd:element id="cci_PercentageOfTowersOfficeSpaceAndEquipmentThatIsOnLandThatHasNonCancelableOperatingLeases" name="PercentageOfTowersOfficeSpaceAndEquipmentThatIsOnLandThatHasNonCancelableOperatingLeases" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="cci_PerformanceAwardsMember" name="PerformanceAwardsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="cci_PortionOfCompanySiteRentalCostsThatAreGroundLeaseExpenses" name="PortionOfCompanySiteRentalCostsThatAreGroundLeaseExpenses" nillable="true" substitutionGroup="xbrli:item" type="xbrli:decimalItemType" xbrli:periodType="duration" />
  <xsd:element id="cci_PropertyTaxCommitmentsAnnualPercentageIncrease" name="PropertyTaxCommitmentsAnnualPercentageIncrease" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cci_PropertyTaxesMember" name="PropertyTaxesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="cci_PurchasesAndRetirementOfPreferredStockAndLossesOnPurchasesOfPreferredStock" name="PurchasesAndRetirementOfPreferredStockAndLossesOnPurchasesOfPreferredStock" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="cci_PurchasesAndRetirementOfPreferredStockAndLossesOnPurchasesOfPreferredStockShares" name="PurchasesAndRetirementOfPreferredStockAndLossesOnPurchasesOfPreferredStockShares" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="duration" />
  <xsd:element id="cci_RecentAccountingPronouncementsPolicyTextBlock" name="RecentAccountingPronouncementsPolicyTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="cci_ReconciliationOfNetIncomeLossToAdjustedEbitda" name="ReconciliationOfNetIncomeLossToAdjustedEbitda" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="cci_RedemptionPricingPercentageOfPrincipalAmount" name="RedemptionPricingPercentageOfPrincipalAmount" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cci_RefinancingsOfDebtMember" name="RefinancingsOfDebtMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="cci_RestrictedCashFairValueDisclosure" name="RestrictedCashFairValueDisclosure" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="cci_RestrictedStockAwardVestingPeriodPriceAppreciationHurdle" name="RestrictedStockAwardVestingPeriodPriceAppreciationHurdle" nillable="true" substitutionGroup="xbrli:item" type="us-types:durationStringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cci_RestrictedStockAwardsMember" name="RestrictedStockAwardsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="cci_RevenueRecognitionNonCancelableLeaseTermRangeMaximum" name="RevenueRecognitionNonCancelableLeaseTermRangeMaximum" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration" />
  <xsd:element id="cci_RevenueRecognitionNonCancelableLeaseTermRangeMinimum" name="RevenueRecognitionNonCancelableLeaseTermRangeMinimum" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cci_ScheduleIiValuationAndQualifyingAccounts" name="ScheduleIiValuationAndQualifyingAccounts" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="cci_ScheduleOfAboveMarketLeasesTableTextBlock" name="ScheduleOfAboveMarketLeasesTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="cci_ScheduleOfAmortizationExpenseTextBlock" name="ScheduleOfAmortizationExpenseTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cci_ScheduleOfEarningsPerShareBasicAndDilutedByCommonClassTable" name="ScheduleOfEarningsPerShareBasicAndDilutedByCommonClassTable" nillable="true" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="cci_ScheduleOfInterestExpenseAndAmortizationOfDeferredFinancingCostsTextBlock" name="ScheduleOfInterestExpenseAndAmortizationOfDeferredFinancingCostsTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="cci_ScheduleOfUnrecognizedTaxBenefitsRollForwardTableTextBlock" name="ScheduleOfUnrecognizedTaxBenefitsRollForwardTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cci_SecondTermLoanJoinderPursuantMember" name="SecondTermLoanJoinderPursuantMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cci_SecuritizedDebtMember" name="SecuritizedDebtMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cci_SecurityInterestMember" name="SecurityInterestMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cci_SeniorSecured2012RevolverMember" name="SeniorSecured2012RevolverMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cci_SeniorSecuredTermLoanBMember" name="SeniorSecuredTermLoanBMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cci_SeniorSecuredTermLoanMember" name="SeniorSecuredTermLoanMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cci_SiteRentalContractsAndCustomerRelationshipsMember" name="SiteRentalContractsAndCustomerRelationshipsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="cci_SiteRentalContractsAndCustomerRelationshipsNet" name="SiteRentalContractsAndCustomerRelationshipsNet" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="cci_SiteRentalCostOfOperationsMember" name="SiteRentalCostOfOperationsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cci_SiteRentalCostsOfOperationsMember" name="SiteRentalCostsOfOperationsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cci_SprintMember" name="SprintMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cci_StockOptionsAndRestrictedStockAwardsMember" name="StockOptionsAndRestrictedStockAwardsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="cci_SummaryOfAssumptionsUsedInMonteCarloSimulationToDetermineGrantDateFairValueTextBlock" name="SummaryOfAssumptionsUsedInMonteCarloSimulationToDetermineGrantDateFairValueTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="cci_SummaryOfRestrictedStockAwardsVestedTextBlock" name="SummaryOfRestrictedStockAwardsVestedTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cci_SummaryOfSignificantAccountingPoliciesAbstract" name="SummaryOfSignificantAccountingPoliciesAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cci_SupplementalCashFlowInformationLineItems" name="SupplementalCashFlowInformationLineItems" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cci_SupplementalCashFlowInformationTable" name="SupplementalCashFlowInformationTable" nillable="true" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cci_TMobileMember" name="TMobileMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="cci_TemporaryEquityInitialSharesIssued" name="TemporaryEquityInitialSharesIssued" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="cci_TenantLeases2012Member" name="TenantLeases2012Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cci_TenantLeases2013Member" name="TenantLeases2013Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cci_TenantLeases2014Member" name="TenantLeases2014Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cci_TenantLeases2015Member" name="TenantLeases2015Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cci_TenantLeases2016Member" name="TenantLeases2016Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cci_TenantLeasesThereafterMember" name="TenantLeasesThereafterMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cci_TermLoanJoinderPursuantMember" name="TermLoanJoinderPursuantMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="cci_ThirdPartyLandInterests" name="ThirdPartyLandInterests" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="cci_TimeVestingAwardsMember" name="TimeVestingAwardsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cci_TowerWriteDownChargesMember" name="TowerWriteDownChargesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cci_TwoThousandFourMortgageLoanMember" name="TwoThousandFourMortgageLoanMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cci_TwoThousandSevenCreditAgreementMember" name="TwoThousandSevenCreditAgreementMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cci_TwoThousandSixMortgageLoanMember" name="TwoThousandSixMortgageLoanMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cci_UnitedStatesMember" name="UnitedStatesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="cci_ValuationAllowancesAndReservesCreditedToOtherAccounts" name="ValuationAllowancesAndReservesCreditedToOtherAccounts" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cci_VariableRate2007TermLoansMember" name="VariableRate2007TermLoansMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cci_VariableRateRevolverMember" name="VariableRateRevolverMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cci_VerizonWirelessMember" name="VerizonWirelessMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="cci_VestingPerformancePeriod" name="VestingPerformancePeriod" nillable="true" substitutionGroup="xbrli:item" type="us-types:durationStringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cci_WeightedAverageActualFiveYearLiborUponIssuanceOfAnticpatedRefinancingsMember" name="WeightedAverageActualFiveYearLiborUponIssuanceOfAnticpatedRefinancingsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cci_WeightedAverageHedgedFiveYearLiborOnAnticipatedRefinancingsMember" name="WeightedAverageHedgedFiveYearLiborOnAnticipatedRefinancingsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="cci_WeightedAverageRemainingTermOfTenantLeasesAtTenantsOption" name="WeightedAverageRemainingTermOfTenantLeasesAtTenantsOption" nillable="true" substitutionGroup="xbrli:item" type="us-types:durationStringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cci_WirelessCapitalPartnersLlcMember" name="WirelessCapitalPartnersLlcMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cci_WirelessInfrastructureMember" name="WirelessInfrastructureMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="cci_WriteOffOfDeferredFinancingCostsAndDiscounts" name="WriteOffOfDeferredFinancingCostsAndDiscounts" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cci_Year2007TermLoansInterestRateSwapJan2010ToDec2011Member" name="Year2007TermLoansInterestRateSwapJan2010ToDec2011Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
</xsd:schema>