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  <xs:element id="zi_LesseeOperatingLeaseLiabilityPaymentsNetOfSubleaseIncomeDue" abstract="false" name="LesseeOperatingLeaseLiabilityPaymentsNetOfSubleaseIncomeDue" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="zi_BrandPortfolioMember" abstract="true" name="BrandPortfolioMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="zi_DebtInstrumentAmountNotRedesignatedForWhichForecastedInterestPaymentsAreNotProbableToOccur" abstract="false" name="DebtInstrumentAmountNotRedesignatedForWhichForecastedInterestPaymentsAreNotProbableToOccur" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="zi_LesseeOperatingLeaseLiabilityPaymentsNetOfSubleaseIncomeDueYearOne" abstract="false" name="LesseeOperatingLeaseLiabilityPaymentsNetOfSubleaseIncomeDueYearOne" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="zi_LesseeOperatingLeaseLiabilityToBePaidAfterYearFour" abstract="false" name="LesseeOperatingLeaseLiabilityToBePaidAfterYearFour" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="zi_TemporaryEquityExcessDueUponEarlyRedemptionCommonStock" abstract="false" name="TemporaryEquityExcessDueUponEarlyRedemptionCommonStock" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
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  <xs:element id="zi_IncreaseDecreaseInPrepaidExpenseAndOtherAssetsCurrent" abstract="false" name="IncreaseDecreaseInPrepaidExpenseAndOtherAssetsCurrent" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="zi_DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNetYearFour" abstract="false" name="DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNetYearFour" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="zi_DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNetRemainderOfFiscalYear" abstract="false" name="DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNetRemainderOfFiscalYear" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="zi_BusinessCombinationConsiderationTransferredDeferredConsideration" abstract="false" name="BusinessCombinationConsiderationTransferredDeferredConsideration" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
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  <xs:element id="zi_ShareBasedCompensationArrangementByShareBasedPaymentAwardPerformanceVestingConditionPercentage" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardPerformanceVestingConditionPercentage" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="num:percentItemType"/>
  <xs:element id="zi_LessorOperatingLeaseRemainingSubleaseTerm" abstract="false" name="LessorOperatingLeaseRemainingSubleaseTerm" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="zi_BusinessCombinationDeferredConsiderationNoncurrent" abstract="false" name="BusinessCombinationDeferredConsiderationNoncurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="zi_TaxReceivableAgreementProjectedObligation" abstract="false" name="TaxReceivableAgreementProjectedObligation" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="zi_SecondLienTermLoanMember" abstract="true" name="SecondLienTermLoanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="zi_DiscoverOrgHoldingsMember" abstract="true" name="DiscoverOrgHoldingsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="zi_NumberOfTaxReceivableAgreements" abstract="false" name="NumberOfTaxReceivableAgreements" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="zi_DebtInstrumentCovenantLeverageRatioMaximum" abstract="false" name="DebtInstrumentCovenantLeverageRatioMaximum" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="zi_APICShareBasedCompensationIncreaseForCostOfRecognitionPriorToReorganization" abstract="false" name="APICShareBasedCompensationIncreaseForCostOfRecognitionPriorToReorganization" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="zi_BusinessCombinationDeferredConsideration" abstract="false" name="BusinessCombinationDeferredConsideration" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="zi_NumberOfSubsidiariesLimitedLiabilityCompanies" abstract="false" name="NumberOfSubsidiariesLimitedLiabilityCompanies" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="zi_ZoomInfoHoldCoMember" abstract="true" name="ZoomInfoHoldCoMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="zi_PreIPOAwardsMember" abstract="true" name="PreIPOAwardsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="zi_BusinessCombinationContingentConsiderationArrangementsPercentageOfContingentPaymentsAttributableToPurchaseConsideration" abstract="false" name="BusinessCombinationContingentConsiderationArrangementsPercentageOfContingentPaymentsAttributableToPurchaseConsideration" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="num:percentItemType"/>
  <xs:element id="zi_TemporaryEquityRedeemedAndCancelledDuringPeriodValue" abstract="false" name="TemporaryEquityRedeemedAndCancelledDuringPeriodValue" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="zi_NumberOfCustomersServed" abstract="false" name="NumberOfCustomersServed" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="zi_DebtInstrumentCovenantThresholdDrawsOnLineOfCreditToTriggerSpringingFinancialCovenant" abstract="false" name="DebtInstrumentCovenantThresholdDrawsOnLineOfCreditToTriggerSpringingFinancialCovenant" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="zi_UndistributedEarningsDilutedIncreaseDecreaseInEarningsUponConversionOfPotentiallyDilutiveInstruments" abstract="false" name="UndistributedEarningsDilutedIncreaseDecreaseInEarningsUponConversionOfPotentiallyDilutiveInstruments" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="zi_FiniteAndIndefiniteLivedIntangibleAssetsAcquired" abstract="false" name="FiniteAndIndefiniteLivedIntangibleAssetsAcquired" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="zi_EmailVerificationServiceMember" abstract="true" name="EmailVerificationServiceMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="zi_OtherComprehensiveIncomeLossNetOfTaxPriorToReorganization" abstract="false" name="OtherComprehensiveIncomeLossNetOfTaxPriorToReorganization" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="zi_NumberOfOffices" abstract="false" name="NumberOfOffices" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="zi_CapitalAllocatedForFutureDistributionDistributionTerm" abstract="false" name="CapitalAllocatedForFutureDistributionDistributionTerm" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="zi_OpCoUnitsMember" abstract="true" name="OpCoUnitsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="zi_NoncashInvestingAndFinancingActivitiesDeferredVariableConsiderationFromBusinessAcquisition" abstract="false" name="NoncashInvestingAndFinancingActivitiesDeferredVariableConsiderationFromBusinessAcquisition" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="zi_OmnibusIncentivePlan2020Member" abstract="true" name="OmnibusIncentivePlan2020Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="zi_ModificationToShareBasedCompensationArrangementNumberOfGranteesAffected" abstract="false" name="ModificationToShareBasedCompensationArrangementNumberOfGranteesAffected" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="zi_ShareBasedPaymentArrangementNonvestedAwardExcludingOptionCostNotYetRecognizedAmountIncreaseDecrease" abstract="false" name="ShareBasedPaymentArrangementNonvestedAwardExcludingOptionCostNotYetRecognizedAmountIncreaseDecrease" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="zi_LesseeOperatingLeaseLiabilityPaymentsNetOfSubleaseIncomeDueYearThree" abstract="false" name="LesseeOperatingLeaseLiabilityPaymentsNetOfSubleaseIncomeDueYearThree" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="zi_AccruedLiabilitiesCurrentMember" abstract="true" name="AccruedLiabilitiesCurrentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="zi_PurchaseObligationNetExpectedCommitmentsFiscalYearMaturityAbstract" abstract="true" name="PurchaseObligationNetExpectedCommitmentsFiscalYearMaturityAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="zi_NumberOfLimitedLiabilityCompaniesTreatedAsPartnershipsForTaxPurposes" abstract="false" name="NumberOfLimitedLiabilityCompaniesTreatedAsPartnershipsForTaxPurposes" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="zi_LesseeOperatingLeaseLiabilityPaymentsNetOfSubleaseIncomeDueYearFour" abstract="false" name="LesseeOperatingLeaseLiabilityPaymentsNetOfSubleaseIncomeDueYearFour" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="zi_TaxReceivableAgreementTaxBenefitsRealizedWhichMustThenBePaidPercentage" abstract="false" name="TaxReceivableAgreementTaxBenefitsRealizedWhichMustThenBePaidPercentage" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="num:percentItemType"/>
  <xs:element id="zi_Class1UnitMember" abstract="true" name="Class1UnitMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="zi_NumberOfForeignEntities" abstract="false" name="NumberOfForeignEntities" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="zi_DeferredSalesCommissionsAmortizationPeriod" abstract="false" name="DeferredSalesCommissionsAmortizationPeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="zi_PreAcquisitionZoomInformationIncMember" abstract="true" name="PreAcquisitionZoomInformationIncMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="zi_ConversionOfStockIncrementalGrantDateFairValueIncurred" abstract="false" name="ConversionOfStockIncrementalGrantDateFairValueIncurred" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="zi_CostOfGoodsAndServiceIncludingDepreciationAndExcludingAmortization" abstract="false" name="CostOfGoodsAndServiceIncludingDepreciationAndExcludingAmortization" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="zi_LesseeOperatingLeaseLiabilityPaymentsNetOfSubleaseIncomeDueYearTwo" abstract="false" name="LesseeOperatingLeaseLiabilityPaymentsNetOfSubleaseIncomeDueYearTwo" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
</xs:schema>
