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  <xs:element id="zi_StockholdersEquityIncreaseDecreaseInSharesDueToExchangeValue" abstract="false" name="StockholdersEquityIncreaseDecreaseInSharesDueToExchangeValue" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="zi_PaymentProvidedAsPercentOfNetCashSavings" abstract="false" name="PaymentProvidedAsPercentOfNetCashSavings" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="num:percentItemType"/>
  <xs:element id="zi_ModificationToShareBasedCompensationArrangementNumberOfGranteesAffected" abstract="false" name="ModificationToShareBasedCompensationArrangementNumberOfGranteesAffected" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="zi_UndistributedEarningsDilutedReallocationOfEarningsUponConversionOfCommonStock" abstract="false" name="UndistributedEarningsDilutedReallocationOfEarningsUponConversionOfCommonStock" nillable="true" xbrli:periodType="duration" 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_PreAcquisitionBrandPortfolioMember" abstract="true" name="PreAcquisitionBrandPortfolioMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="zi_ThreePointEightSevenFivePercentSeniorNotesDue2029Member" abstract="true" name="ThreePointEightSevenFivePercentSeniorNotesDue2029Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="zi_AccruedSalesCommissionNoncurrent" abstract="false" name="AccruedSalesCommissionNoncurrent" nillable="true" xbrli:periodType="instant" 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_BenefitRetainedAsPercentOfNetCashSavings" abstract="false" name="BenefitRetainedAsPercentOfNetCashSavings" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="num:percentItemType"/>
  <xs:element id="zi_StockholdersEquityIncreaseDecreaseInSharesDueToExchangeShares" abstract="false" name="StockholdersEquityIncreaseDecreaseInSharesDueToExchangeShares" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="zi_BusinessCombinationConsiderationTransferredIncentiveCompensation" abstract="false" name="BusinessCombinationConsiderationTransferredIncentiveCompensation" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="zi_TrigerringEventsAxis" abstract="true" name="TrigerringEventsAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="zi_DebtSecuritiesAvailableForSaleAmortizedCostAfterAllowanceForCreditLoss" abstract="false" name="DebtSecuritiesAvailableForSaleAmortizedCostAfterAllowanceForCreditLoss" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" 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_IncrementalCommonSharesAttributableToDilutiveEffectOfConversionOfCommonStock" abstract="false" name="IncrementalCommonSharesAttributableToDilutiveEffectOfConversionOfCommonStock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="zi_RightOfUseAssetObtainedInExchangeForOperatingLeaseLiabilityAndAdjustments" abstract="false" name="RightOfUseAssetObtainedInExchangeForOperatingLeaseLiabilityAndAdjustments" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="zi_A2019PhantomUnitPlanMember" abstract="true" name="A2019PhantomUnitPlanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="zi_TaxReceivableAgreementTaxBenefitsRealizedWhichMustThenBePaidPercentage" abstract="false" name="TaxReceivableAgreementTaxBenefitsRealizedWhichMustThenBePaidPercentage" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="num:percentItemType"/>
  <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_BrandPortfolioMember" abstract="true" name="BrandPortfolioMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="zi_TaxReceivableAgreementsAbstract" abstract="true" name="TaxReceivableAgreementsAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="zi_HSKBIClass1UnitsMember" abstract="true" name="HSKBIClass1UnitsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="zi_ZoomInfoOpCoMember" abstract="true" name="ZoomInfoOpCoMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="zi_Class1UnitMember" abstract="true" name="Class1UnitMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="zi_ShareBasedCompensationArrangementByShareBasedPaymentAwardEconomicEquivalentOfAwardGrantedShares" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEconomicEquivalentOfAwardGrantedShares" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="zi_ShareBasedCompensationByShareBasedPaymentAwardPeriodToSettleAwards" abstract="false" name="ShareBasedCompensationByShareBasedPaymentAwardPeriodToSettleAwards" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="zi_BusinessCombinationContingentConsiderationArrangementsPercentAttributableToPurchaseConsideration" abstract="false" name="BusinessCombinationContingentConsiderationArrangementsPercentAttributableToPurchaseConsideration" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="num:percentItemType"/>
  <xs:element id="zi_NetIncomeLossAttributableToParentPriorToReorganization" abstract="false" name="NetIncomeLossAttributableToParentPriorToReorganization" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="zi_AssetsAndLiabilitiesLesseeTableTextBlock" abstract="false" name="AssetsAndLiabilitiesLesseeTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType"/>
  <xs:element id="zi_CommonUnitsMember" abstract="true" name="CommonUnitsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="zi_TrigerringEventsDomain" abstract="true" name="TrigerringEventsDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="zi_ShareBasedCompensationArrangementByShareBasedPaymentAwardStockAwardConversionIncrementalGrantDateFairValue" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardStockAwardConversionIncrementalGrantDateFairValue" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="zi_OfficeRelocationMember" abstract="true" name="OfficeRelocationMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="zi_HSKBUnitsMember" abstract="true" name="HSKBUnitsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="zi_BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentContractWithCustomerLiability" abstract="false" name="BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentContractWithCustomerLiability" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="zi_DebtInstrumentRedemptionPricePercentageOfPrincipalAmountThatMayBeRedeemed" abstract="false" name="DebtInstrumentRedemptionPricePercentageOfPrincipalAmountThatMayBeRedeemed" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="num:percentItemType"/>
  <xs:element id="zi_AccruedLiabilitiesCurrentMember" abstract="true" name="AccruedLiabilitiesCurrentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
</xs:schema>
