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  <xs:element id="cci_DebtInterestRateIncreaseIfNotPaidByAnticipatedRepaymentDate" abstract="false" name="DebtInterestRateIncreaseIfNotPaidByAnticipatedRepaymentDate" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
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  <xs:element id="cci_DeferredTaxLiabilitiesSiteRentalContractsAndTenantRelationshipsNet" abstract="false" name="DeferredTaxLiabilitiesSiteRentalContractsAndTenantRelationshipsNet" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cci_AttheMarketStockOfferingProgramaggregatevalueofcommonstock" abstract="false" name="AttheMarketStockOfferingProgramaggregatevalueofcommonstock" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cci_AvailabilityUnder2024ATMProgram" abstract="false" name="AvailabilityUnder2024ATMProgram" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cci_TaxTreatmentofDividendsAxis" abstract="true" name="TaxTreatmentofDividendsAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="cci_TaxTreatmentofDividendsDomain" abstract="true" name="TaxTreatmentofDividendsDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="cci_OrdinaryTaxableDividendPerShareMember" abstract="true" name="OrdinaryTaxableDividendPerShareMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="cci_QualifiedTaxableDividendPerShareMember" abstract="true" name="QualifiedTaxableDividendPerShareMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="cci_LongTermCapitalGainDistributionPerShareMember" abstract="true" name="LongTermCapitalGainDistributionPerShareMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="cci_NonTaxableDistribution" abstract="false" name="NonTaxableDistribution" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:perShareItemType"/>
  <xs:element id="cci_O2024Q1DividendsMember" abstract="true" name="O2024Q1DividendsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cci_O2024Q2DividendsMember" abstract="true" name="O2024Q2DividendsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cci_O2024Q3DividendsMember" abstract="true" name="O2024Q3DividendsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cci_O2024Q4DividendsMember" abstract="true" name="O2024Q4DividendsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cci_PerformanceAwards3YearPeriodMember" abstract="true" name="PerformanceAwards3YearPeriodMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="cci_TimeVestingAwards3YearPeriodMember" abstract="true" name="TimeVestingAwards3YearPeriodMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="cci_TimeVestingAwards1YearPeriodMember" abstract="true" name="TimeVestingAwards1YearPeriodMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cci_PerformanceAwardsCompanysAverageROICMember" abstract="true" name="PerformanceAwardsCompanysAverageROICMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cci_VestingPeriod" abstract="false" name="VestingPeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="cci_SharesAvailableForIssuanceUnderExistingAwardPursuantToThe2013LTIP" abstract="false" name="SharesAvailableForIssuanceUnderExistingAwardPursuantToThe2013LTIP" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="cci_SharesAvailableForIssuanceUnderFutureAwardsPursuantToThe2022LTIP" abstract="false" name="SharesAvailableForIssuanceUnderFutureAwardsPursuantToThe2022LTIP" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="cci_SharesAvailableForIssuanceUnderExistingAwardPursuantToThe2022LTIP" abstract="false" name="SharesAvailableForIssuanceUnderExistingAwardPursuantToThe2022LTIP" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="cci_SharesAvailableForIssuanceUnderFutureAwardsPursuantToThe2013LTIP" abstract="false" name="SharesAvailableForIssuanceUnderFutureAwardsPursuantToThe2013LTIP" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="cci_SiteRentalCostOfOperationsMember" abstract="true" name="SiteRentalCostOfOperationsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="cci_ServicesandOtherCostsofOperationsMember" abstract="true" name="ServicesandOtherCostsofOperationsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="cci_SegmentGAsharebasedcompensationMember" abstract="true" name="SegmentGAsharebasedcompensationMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="cci_MasterPrepaidLeasesGross" abstract="false" name="MasterPrepaidLeasesGross" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cci_MasterPrepaidLeasesAccumulatedAmortization" abstract="false" name="MasterPrepaidLeasesAccumulatedAmortization" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cci_MasterPrepaidLeasesNet" abstract="false" name="MasterPrepaidLeasesNet" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cci_FinanceLeasesNet" abstract="false" name="FinanceLeasesNet" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cci_FinanceLeasesAccumulationAmortization" abstract="false" name="FinanceLeasesAccumulationAmortization" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cci_FinanceLeasesGross" abstract="false" name="FinanceLeasesGross" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cci_MasterPrepaidLeasesAndFinanceLeasesNet" abstract="false" name="MasterPrepaidLeasesAndFinanceLeasesNet" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cci_MasterPrepaidLeasesAndFinanceLeasesAccumulatedAmortization" abstract="false" name="MasterPrepaidLeasesAndFinanceLeasesAccumulatedAmortization" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cci_MasterPrepaidLeaseAndFinanceLeaseGross" abstract="false" name="MasterPrepaidLeaseAndFinanceLeaseGross" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cci_VerizonWirelessMember" abstract="true" name="VerizonWirelessMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="cci_TMOATTAndVerizonCombinedMember" abstract="true" name="TMOATTAndVerizonCombinedMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cci_SegmentcostofoperationssharebasedcompensationMember" abstract="true" name="SegmentcostofoperationssharebasedcompensationMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="cci_RepairsAndMaintenanceExpenseMember" abstract="true" name="RepairsAndMaintenanceExpenseMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cci_EmployeeCompensationExpenseMember" abstract="true" name="EmployeeCompensationExpenseMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cci_LeaseExpenseMember" abstract="true" name="LeaseExpenseMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cci_OtherMember" abstract="true" name="OtherMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cci_TowerCount" abstract="false" name="TowerCount" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="cci_SmallCellNodesEitherCurrentlyGeneratingRevenueOrUnderContract" abstract="false" name="SmallCellNodesEitherCurrentlyGeneratingRevenueOrUnderContract" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="cci_FiberMiles" abstract="false" name="FiberMiles" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="cci_SegmentSiteRentalCostofOperations" abstract="false" name="SegmentSiteRentalCostofOperations" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cci_SegmentServicesandOtherCostofOperations" abstract="false" name="SegmentServicesandOtherCostofOperations" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cci_SegmentAdjustedSiteRentalGrossMargin" abstract="false" name="SegmentAdjustedSiteRentalGrossMargin" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cci_SegmentAdjustedServicesAndOtherGrossMargin" abstract="false" name="SegmentAdjustedServicesAndOtherGrossMargin" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cci_SegmentGeneralandAdministrativeExpenses" abstract="false" name="SegmentGeneralandAdministrativeExpenses" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cci_SegmentOperatingProfit" abstract="false" name="SegmentOperatingProfit" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cci_AmortizationOfPrepaidLeasePurchasePriceAdjustments" abstract="false" name="AmortizationOfPrepaidLeasePurchasePriceAdjustments" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cci_IncreaseDecreaseinaccountspayableforpurchasesofpropertyandequipment" abstract="false" name="IncreaseDecreaseinaccountspayableforpurchasesofpropertyandequipment" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cci_Purchaseofpropertyandequipmentundercapitalleasesandinstallmentpurchases" abstract="false" name="Purchaseofpropertyandequipmentundercapitalleasesandinstallmentpurchases" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cci_AcceleratedDepreciationAndAssetWriteDownsMember" abstract="true" name="AcceleratedDepreciationAndAssetWriteDownsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cci_ThePlanMember" abstract="true" name="ThePlanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cci_A2023RestructuringPlanMember" abstract="true" name="A2023RestructuringPlanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cci_A2024RestructuringPlanMember" abstract="true" name="A2024RestructuringPlanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cci_RestructuringPlansMember" abstract="true" name="RestructuringPlansMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cci_EmployeeHeadcountReduction" abstract="false" name="EmployeeHeadcountReduction" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="cci_DeferredTaxValuationAllowanceMember" abstract="true" name="DeferredTaxValuationAllowanceMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="cci_CommunicationsInfrastructureConstruction" abstract="false" name="CommunicationsInfrastructureConstruction" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cci_Purchaseoflandinterests" abstract="false" name="Purchaseoflandinterests" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cci_RealEstatePeriodAdditionstoCost" abstract="false" name="RealEstatePeriodAdditionstoCost" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cci_RealEstatePeriodDeductionstoAccumulatedDepreciation" abstract="false" name="RealEstatePeriodDeductionstoAccumulatedDepreciation" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
</xs:schema>
