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  <xs:element id="cci_Siterentalrevenues" abstract="false" name="Siterentalrevenues" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cci_AcquisitionAndIntegrationCosts" abstract="false" name="AcquisitionAndIntegrationCosts" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cci_NetIncomeLossFromDiscontinuedOperationsNetOfTax" abstract="false" name="NetIncomeLossFromDiscontinuedOperationsNetOfTax" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cci_General" abstract="true" name="General" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="cci_DebtAndOtherObligationsAbstract" abstract="true" name="DebtAndOtherObligationsAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="cci_ScheduleOfInterestExpenseAndAmortizationOfDeferredFinancingCostsTableTextBlock" abstract="false" name="ScheduleOfInterestExpenseAndAmortizationOfDeferredFinancingCostsTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="cci_ScheduleofCashCashEquivalentsandRestrictedCashTableTextBlock" abstract="false" name="ScheduleofCashCashEquivalentsandRestrictedCashTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="cci_A2026RestructuringAndRelatedCostsTableTextBlock" abstract="false" name="A2026RestructuringAndRelatedCostsTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="cci_GeneralAbstract" abstract="true" name="GeneralAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="cci_ContractualTermsAxis" abstract="true" name="ContractualTermsAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="cci_ContractualTermsDomain" abstract="true" name="ContractualTermsDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cci_SubjectToCapitalLeaseWithTMOOrATTMember" abstract="true" name="SubjectToCapitalLeaseWithTMOOrATTMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cci_PurchaseOptionPercentageofTowers" abstract="false" name="PurchaseOptionPercentageofTowers" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="cci_AggregateCashProceedsStrategicFiberAgreement" abstract="false" name="AggregateCashProceedsStrategicFiberAgreement" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cci_PreliminaryPurchasePriceAdjustmentsStrategicFiberTransaction" abstract="false" name="PreliminaryPurchasePriceAdjustmentsStrategicFiberTransaction" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cci_SellingCostsMember" abstract="true" name="SellingCostsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cci_DisposalGroupIncludingDiscontinuedOperationCurrentMaturitiesOfDebtAndOtherObligations" abstract="false" name="DisposalGroupIncludingDiscontinuedOperationCurrentMaturitiesOfDebtAndOtherObligations" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cci_DisposalGroupIncludingDiscontinuedOperationDebtAndOtherLongTermObligations" abstract="false" name="DisposalGroupIncludingDiscontinuedOperationDebtAndOtherLongTermObligations" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cci_DisposalGroupIncludingDiscontinuedOperationOperatingLeaseLiabilityNoncurrent" abstract="false" name="DisposalGroupIncludingDiscontinuedOperationOperatingLeaseLiabilityNoncurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cci_RevenueRecognitionNoncancelableLeaseTermforWirelessTenants" abstract="false" name="RevenueRecognitionNoncancelableLeaseTermforWirelessTenants" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="cci_RevenueRecognitionforFiberSolutionsTenants" abstract="false" name="RevenueRecognitionforFiberSolutionsTenants" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="cci_AcceleratedPrepaidRentAmortization" abstract="false" name="AcceleratedPrepaidRentAmortization" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cci_SiteRentalRevenueRemainingRentalObligation" abstract="false" name="SiteRentalRevenueRemainingRentalObligation" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cci_LessorOperatingLeasePaymentsToBeReceivedDISH" abstract="false" name="LessorOperatingLeasePaymentsToBeReceivedDISH" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cci_TermSOFRAdjustmentMember" abstract="true" name="TermSOFRAdjustmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cci_InstallmentPurchaseLiabilitiesAndFinanceLeasesMember" abstract="true" name="InstallmentPurchaseLiabilitiesAndFinanceLeasesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cci_BankDebtMember" abstract="true" name="BankDebtMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cci_InstallmentPurchasesMember" abstract="true" name="InstallmentPurchasesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cci_FixedRateDebt2009SecuritizedNotesA2Member" abstract="true" name="FixedRateDebt2009SecuritizedNotesA2Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cci_A2015TowerRevenueNotes3.663due2045Member" abstract="true" name="A2015TowerRevenueNotes3.663due2045Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cci_A2018TowerRevenueNotes4.241due2048Member" abstract="true" name="A2018TowerRevenueNotes4.241due2048Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cci_A2016TermLoanAMember" abstract="true" name="A2016TermLoanAMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cci_June2020SeniorUnsecured1.350NotesDomain" abstract="true" name="June2020SeniorUnsecured1.350NotesDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cci_SeniorUnsecured2016Notes4.450Member" abstract="true" name="SeniorUnsecured2016Notes4.450Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cci_SeniorUnsecured2016Notes3.7Member" abstract="true" name="SeniorUnsecured2016Notes3.7Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cci_February2021SeniorUnsecured1050NotesMember" abstract="true" name="February2021SeniorUnsecured1050NotesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cci_A4.000SeniorUnsecuredNotesMember" abstract="true" name="A4.000SeniorUnsecuredNotesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cci_A2900SeniorUnsecuredNotesMember" abstract="true" name="A2900SeniorUnsecuredNotesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cci_August2017SeniorUnsecured3.650NotesMember" abstract="true" name="August2017SeniorUnsecured3.650NotesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cci_January2023SeniorUnsecured5000NotesMember" abstract="true" name="January2023SeniorUnsecured5000NotesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cci_A3.800SeniorNotesMember" abstract="true" name="A3.800SeniorNotesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cci_A4800SeniorNotesMember" abstract="true" name="A4800SeniorNotesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cci_February2019SeniorUnsecured4.300NotesMember" abstract="true" name="February2019SeniorUnsecured4.300NotesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cci_December2023SeniorUnsecured5.600NotesMember" abstract="true" name="December2023SeniorUnsecured5.600NotesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cci_August2024SeniorUnsecured4.900NotesMember" abstract="true" name="August2024SeniorUnsecured4.900NotesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cci_August2019SeniorUnsecured3.100NotesMember" abstract="true" name="August2019SeniorUnsecured3.100NotesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cci_April2020SeniorUnsecured3.300NotesMember" abstract="true" name="April2020SeniorUnsecured3.300NotesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cci_June2020SeniorUnsecured2.250NotesDomain" abstract="true" name="June2020SeniorUnsecured2.250NotesDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cci_February2021SeniorUnsecured2100NotesMember" abstract="true" name="February2021SeniorUnsecured2100NotesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cci_June2021SeniorUnsecured2500NotesDomain" abstract="true" name="June2021SeniorUnsecured2500NotesDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cci_A5100SeniorNotesMember" abstract="true" name="A5100SeniorNotesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cci_December2023SeniorUnsecured5.800NotesMember" abstract="true" name="December2023SeniorUnsecured5.800NotesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cci_August2024SeniorUnsecured5.200NotesMember" abstract="true" name="August2024SeniorUnsecured5.200NotesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cci_February2021SeniorUnsecured2900NotesMember" abstract="true" name="February2021SeniorUnsecured2900NotesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cci_A4.750SeniorUnsecuredNotesMemberMember" abstract="true" name="A4.750SeniorUnsecuredNotesMemberMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cci_February2019SeniorUnsecured5.200NotesMember" abstract="true" name="February2019SeniorUnsecured5.200NotesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cci_August2019SeniorUnsecured4.000NotesMember" abstract="true" name="August2019SeniorUnsecured4.000NotesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cci_April2020SeniorUnsecured4.150NotesMember" abstract="true" name="April2020SeniorUnsecured4.150NotesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cci_June2020SeniorUnsecured3.250NotesDomain" abstract="true" name="June2020SeniorUnsecured3.250NotesDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cci_July2018TowerRevenueNotesMember" abstract="true" name="July2018TowerRevenueNotesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cci_DebtInstrumentMaturityDateRange" abstract="false" name="DebtInstrumentMaturityDateRange" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="cci_FinanceLeaseObligations" abstract="false" name="FinanceLeaseObligations" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cci_RestrictedCashAndCashEquivalentsFairValueDisclosure" abstract="false" name="RestrictedCashAndCashEquivalentsFairValueDisclosure" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cci_RestrictedstockunitsgrantedAbstract" abstract="true" name="RestrictedstockunitsgrantedAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="cci_ReceivablesNetDISH" abstract="false" name="ReceivablesNetDISH" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cci_DeferredSiteRentalReceivablesDISH" abstract="false" name="DeferredSiteRentalReceivablesDISH" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cci_DeferredRevenuesAndOtherLongTermLiabilitiesDISH" abstract="false" name="DeferredRevenuesAndOtherLongTermLiabilitiesDISH" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cci_NetAssetsDISH" abstract="false" name="NetAssetsDISH" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cci_O2025Q1DividendsMember" abstract="true" name="O2025Q1DividendsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cci_O2025Q2DividendsMember" abstract="true" name="O2025Q2DividendsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cci_O2025Q3DividendsMember" abstract="true" name="O2025Q3DividendsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <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_AtTheMarketStockOfferingProgramAggregateValueOfCommonStock" abstract="false" name="AtTheMarketStockOfferingProgramAggregateValueOfCommonStock" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cci_AtTheMarketStockOfferingProgramTerminated2021ProgramRemainingUnsold" abstract="false" name="AtTheMarketStockOfferingProgramTerminated2021ProgramRemainingUnsold" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <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_EmployeeCompensationExpenseMember" abstract="true" name="EmployeeCompensationExpenseMember" 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_EmployeeCompensationExpense" abstract="false" name="EmployeeCompensationExpense" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" 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_ConsolidatedContinuingAndDiscontinuedOperationsMember" abstract="true" name="ConsolidatedContinuingAndDiscontinuedOperationsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cci_A2023And2024RestructuringPlanMember" abstract="true" name="A2023And2024RestructuringPlanMember" 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_A2026RestructuringPlanMember" abstract="true" name="A2026RestructuringPlanMember" 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_TransactionCostsStrategicFiberAgreement" abstract="false" name="TransactionCostsStrategicFiberAgreement" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cci_AdditionalRepaymentsOfIndebtedness" abstract="false" name="AdditionalRepaymentsOfIndebtedness" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
</xs:schema>
