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    <link:label id="lab_us-gaap_CommercialPortfolioSegmentMember_2D298BCD1A1D009AACFB0163F6E946E5_terseLabel_en-US" xlink:label="lab_us-gaap_CommercialPortfolioSegmentMember_2D298BCD1A1D009AACFB0163F6E946E5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Commercial</link:label>
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    <link:label id="lab_fnlc_HomeEquityLIneofCreditPortfolioMember_ADF11FDD465AE8221EDE0163F6E9B2C2_verboseLabel_en-US" xlink:label="lab_fnlc_HomeEquityLIneofCreditPortfolioMember_ADF11FDD465AE8221EDE0163F6E9B2C2" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Home equity line of credit</link:label>
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    <link:label id="lab_fnlc_OtherLoansMember_4353266F366180AD09A30163F6E9DAB1_verboseLabel_en-US" xlink:label="lab_fnlc_OtherLoansMember_4353266F366180AD09A30163F6E9DAB1" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Other</link:label>
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    <link:loc xlink:href="fnlc-20170930.xsd#fnlc_AllowanceforLoanLossesofTotalLoansPercentage" xlink:label="loc_fnlc_AllowanceforLoanLossesofTotalLoansPercentage_BA464FD0712D654876485F8089FBD302" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_fnlc_AllowanceforLoanLossesofTotalLoansPercentage_BA464FD0712D654876485F8089FBD302" xlink:to="lab_fnlc_AllowanceforLoanLossesofTotalLoansPercentage_BA464FD0712D654876485F8089FBD302" xlink:type="arc" />
    <link:label id="lab_fnlc_LoansandLeasesReceivableCommercialNumberofLoanClasses_CA1BEE8D5E6D61ADA7A25F8089FB58BD_terseLabel_en-US" xlink:label="lab_fnlc_LoansandLeasesReceivableCommercialNumberofLoanClasses_CA1BEE8D5E6D61ADA7A25F8089FB58BD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of classes in the commercial loan portfolio (loan class)</link:label>
    <link:label id="lab_fnlc_LoansandLeasesReceivableCommercialNumberofLoanClasses_CA1BEE8D5E6D61ADA7A25F8089FB58BD_label_en-US" xlink:label="lab_fnlc_LoansandLeasesReceivableCommercialNumberofLoanClasses_CA1BEE8D5E6D61ADA7A25F8089FB58BD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Loans and Leases Receivable, Commercial, Number of Loan Classes</link:label>
    <link:label id="lab_fnlc_LoansandLeasesReceivableCommercialNumberofLoanClasses_CA1BEE8D5E6D61ADA7A25F8089FB58BD_documentation_en-US" xlink:label="lab_fnlc_LoansandLeasesReceivableCommercialNumberofLoanClasses_CA1BEE8D5E6D61ADA7A25F8089FB58BD" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Loans and Leases Receivable, Commercial, Number of Loan Classes</link:label>
    <link:loc xlink:href="fnlc-20170930.xsd#fnlc_LoansandLeasesReceivableCommercialNumberofLoanClasses" xlink:label="loc_fnlc_LoansandLeasesReceivableCommercialNumberofLoanClasses_CA1BEE8D5E6D61ADA7A25F8089FB58BD" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_fnlc_LoansandLeasesReceivableCommercialNumberofLoanClasses_CA1BEE8D5E6D61ADA7A25F8089FB58BD" xlink:to="lab_fnlc_LoansandLeasesReceivableCommercialNumberofLoanClasses_CA1BEE8D5E6D61ADA7A25F8089FB58BD" xlink:type="arc" />
    <link:label id="lab_fnlc_ResidentialLoansTypicalLoanToValueRangeHigh_1C002D00C8C2E11011045F8089FC0234_terseLabel_en-US" xlink:label="lab_fnlc_ResidentialLoansTypicalLoanToValueRangeHigh_1C002D00C8C2E11011045F8089FC0234" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Residential loans typical loan to value range, maximum (percent)</link:label>
    <link:label id="lab_fnlc_ResidentialLoansTypicalLoanToValueRangeHigh_1C002D00C8C2E11011045F8089FC0234_label_en-US" xlink:label="lab_fnlc_ResidentialLoansTypicalLoanToValueRangeHigh_1C002D00C8C2E11011045F8089FC0234" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Residential Loans Typical Loan To Value Range High</link:label>
    <link:label id="lab_fnlc_ResidentialLoansTypicalLoanToValueRangeHigh_1C002D00C8C2E11011045F8089FC0234_documentation_en-US" xlink:label="lab_fnlc_ResidentialLoansTypicalLoanToValueRangeHigh_1C002D00C8C2E11011045F8089FC0234" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The high percentage of loan to value range for residential loans based on current appraisal information.</link:label>
    <link:loc xlink:href="fnlc-20170930.xsd#fnlc_ResidentialLoansTypicalLoanToValueRangeHigh" xlink:label="loc_fnlc_ResidentialLoansTypicalLoanToValueRangeHigh_1C002D00C8C2E11011045F8089FC0234" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_fnlc_ResidentialLoansTypicalLoanToValueRangeHigh_1C002D00C8C2E11011045F8089FC0234" xlink:to="lab_fnlc_ResidentialLoansTypicalLoanToValueRangeHigh_1C002D00C8C2E11011045F8089FC0234" xlink:type="arc" />
    <link:label id="lab_fnlc_ConstructionLoansActualLoanPortfolioToCompanyCapital_4946168FC0459ADEC5255F8089FC5147_terseLabel_en-US" xlink:label="lab_fnlc_ConstructionLoansActualLoanPortfolioToCompanyCapital_4946168FC0459ADEC5255F8089FC5147" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Construction loans accrual to company capital</link:label>
    <link:label id="lab_fnlc_ConstructionLoansActualLoanPortfolioToCompanyCapital_4946168FC0459ADEC5255F8089FC5147_label_en-US" xlink:label="lab_fnlc_ConstructionLoansActualLoanPortfolioToCompanyCapital_4946168FC0459ADEC5255F8089FC5147" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Construction Loans Actual Loan Portfolio To Company Capital</link:label>
    <link:label id="lab_fnlc_ConstructionLoansActualLoanPortfolioToCompanyCapital_4946168FC0459ADEC5255F8089FC5147_documentation_en-US" xlink:label="lab_fnlc_ConstructionLoansActualLoanPortfolioToCompanyCapital_4946168FC0459ADEC5255F8089FC5147" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The ratio of loan portfolio to Company capital for construction loans .</link:label>
    <link:loc xlink:href="fnlc-20170930.xsd#fnlc_ConstructionLoansActualLoanPortfolioToCompanyCapital" xlink:label="loc_fnlc_ConstructionLoansActualLoanPortfolioToCompanyCapital_4946168FC0459ADEC5255F8089FC5147" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_fnlc_ConstructionLoansActualLoanPortfolioToCompanyCapital_4946168FC0459ADEC5255F8089FC5147" xlink:to="lab_fnlc_ConstructionLoansActualLoanPortfolioToCompanyCapital_4946168FC0459ADEC5255F8089FC5147" xlink:type="arc" />
    <link:label id="lab_fnlc_ConstructionLoanPortfolioMaximumToCompanyCapital_2A4B9600829C0A8858A65F8089FC54E0_terseLabel_en-US" xlink:label="lab_fnlc_ConstructionLoanPortfolioMaximumToCompanyCapital_2A4B9600829C0A8858A65F8089FC54E0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Constructions loan portfolio maximum to company capital</link:label>
    <link:label id="lab_fnlc_ConstructionLoanPortfolioMaximumToCompanyCapital_2A4B9600829C0A8858A65F8089FC54E0_label_en-US" xlink:label="lab_fnlc_ConstructionLoanPortfolioMaximumToCompanyCapital_2A4B9600829C0A8858A65F8089FC54E0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Construction Loan Portfolio Maximum To Company Capital</link:label>
    <link:label id="lab_fnlc_ConstructionLoanPortfolioMaximumToCompanyCapital_2A4B9600829C0A8858A65F8089FC54E0_documentation_en-US" xlink:label="lab_fnlc_ConstructionLoanPortfolioMaximumToCompanyCapital_2A4B9600829C0A8858A65F8089FC54E0" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The regulatory maximum allowed ratio of loan portfolio to Company capital for construction loans.</link:label>
    <link:loc xlink:href="fnlc-20170930.xsd#fnlc_ConstructionLoanPortfolioMaximumToCompanyCapital" xlink:label="loc_fnlc_ConstructionLoanPortfolioMaximumToCompanyCapital_2A4B9600829C0A8858A65F8089FC54E0" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_fnlc_ConstructionLoanPortfolioMaximumToCompanyCapital_2A4B9600829C0A8858A65F8089FC54E0" xlink:to="lab_fnlc_ConstructionLoanPortfolioMaximumToCompanyCapital_2A4B9600829C0A8858A65F8089FC54E0" xlink:type="arc" />
    <link:label id="lab_fnlc_ConstructionAndNonOwnerOccupiedCommercialRealEstateLoansPortfolioToCompanyCapital_714441CE474B24F9E2AC5F8089FC66E8_terseLabel_en-US" xlink:label="lab_fnlc_ConstructionAndNonOwnerOccupiedCommercialRealEstateLoansPortfolioToCompanyCapital_714441CE474B24F9E2AC5F8089FC66E8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Construction and non owner occupied commercial real estate</link:label>
    <link:label id="lab_fnlc_ConstructionAndNonOwnerOccupiedCommercialRealEstateLoansPortfolioToCompanyCapital_714441CE474B24F9E2AC5F8089FC66E8_label_en-US" xlink:label="lab_fnlc_ConstructionAndNonOwnerOccupiedCommercialRealEstateLoansPortfolioToCompanyCapital_714441CE474B24F9E2AC5F8089FC66E8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Construction And Non Owner Occupied Commercial Real Estate Loans Portfolio To Company Capital</link:label>
    <link:label id="lab_fnlc_ConstructionAndNonOwnerOccupiedCommercialRealEstateLoansPortfolioToCompanyCapital_714441CE474B24F9E2AC5F8089FC66E8_documentation_en-US" xlink:label="lab_fnlc_ConstructionAndNonOwnerOccupiedCommercialRealEstateLoansPortfolioToCompanyCapital_714441CE474B24F9E2AC5F8089FC66E8" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The actual ratio of loan amount to Company capital for construction and non-owner-occupied commercial real estate.</link:label>
    <link:loc xlink:href="fnlc-20170930.xsd#fnlc_ConstructionAndNonOwnerOccupiedCommercialRealEstateLoansPortfolioToCompanyCapital" xlink:label="loc_fnlc_ConstructionAndNonOwnerOccupiedCommercialRealEstateLoansPortfolioToCompanyCapital_714441CE474B24F9E2AC5F8089FC66E8" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_fnlc_ConstructionAndNonOwnerOccupiedCommercialRealEstateLoansPortfolioToCompanyCapital_714441CE474B24F9E2AC5F8089FC66E8" xlink:to="lab_fnlc_ConstructionAndNonOwnerOccupiedCommercialRealEstateLoansPortfolioToCompanyCapital_714441CE474B24F9E2AC5F8089FC66E8" xlink:type="arc" />
    <link:label id="lab_fnlc_ConstructionAndNonOwnerOccupiedCommercialRealEstateLoansMaximumLoanPortfolioToCompanyCapital_33F52B7AC0E878E24AC85F8089FC97F3_terseLabel_en-US" xlink:label="lab_fnlc_ConstructionAndNonOwnerOccupiedCommercialRealEstateLoansMaximumLoanPortfolioToCompanyCapital_33F52B7AC0E878E24AC85F8089FC97F3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Maximum loan portfolio to company capital</link:label>
    <link:label id="lab_fnlc_ConstructionAndNonOwnerOccupiedCommercialRealEstateLoansMaximumLoanPortfolioToCompanyCapital_33F52B7AC0E878E24AC85F8089FC97F3_label_en-US" xlink:label="lab_fnlc_ConstructionAndNonOwnerOccupiedCommercialRealEstateLoansMaximumLoanPortfolioToCompanyCapital_33F52B7AC0E878E24AC85F8089FC97F3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Construction And Non Owner Occupied Commercial Real Estate Loans Maximum Loan Portfolio To Company Capital</link:label>
    <link:label id="lab_fnlc_ConstructionAndNonOwnerOccupiedCommercialRealEstateLoansMaximumLoanPortfolioToCompanyCapital_33F52B7AC0E878E24AC85F8089FC97F3_documentation_en-US" xlink:label="lab_fnlc_ConstructionAndNonOwnerOccupiedCommercialRealEstateLoansMaximumLoanPortfolioToCompanyCapital_33F52B7AC0E878E24AC85F8089FC97F3" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The regulatory maximum allowed ratio of loan portfolio to Company capital for construction and non-owner-occupied commercial real estate.</link:label>
    <link:loc xlink:href="fnlc-20170930.xsd#fnlc_ConstructionAndNonOwnerOccupiedCommercialRealEstateLoansMaximumLoanPortfolioToCompanyCapital" xlink:label="loc_fnlc_ConstructionAndNonOwnerOccupiedCommercialRealEstateLoansMaximumLoanPortfolioToCompanyCapital_33F52B7AC0E878E24AC85F8089FC97F3" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_fnlc_ConstructionAndNonOwnerOccupiedCommercialRealEstateLoansMaximumLoanPortfolioToCompanyCapital_33F52B7AC0E878E24AC85F8089FC97F3" xlink:to="lab_fnlc_ConstructionAndNonOwnerOccupiedCommercialRealEstateLoansMaximumLoanPortfolioToCompanyCapital_33F52B7AC0E878E24AC85F8089FC97F3" xlink:type="arc" />
    <link:label id="lab_fnlc_OutstandingLoansAndCommitmentsSubjectByIndependentConsultingFirm_A5EE35694BF51B058F7E5F8089FCE314_terseLabel_en-US" xlink:label="lab_fnlc_OutstandingLoansAndCommitmentsSubjectByIndependentConsultingFirm_A5EE35694BF51B058F7E5F8089FCE314" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Outstanding loans and commitments subject by independent consulting firm</link:label>
    <link:label id="lab_fnlc_OutstandingLoansAndCommitmentsSubjectByIndependentConsultingFirm_A5EE35694BF51B058F7E5F8089FCE314_label_en-US" xlink:label="lab_fnlc_OutstandingLoansAndCommitmentsSubjectByIndependentConsultingFirm_A5EE35694BF51B058F7E5F8089FCE314" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Outstanding loans and commitments subject by independent consulting firm</link:label>
    <link:label id="lab_fnlc_OutstandingLoansAndCommitmentsSubjectByIndependentConsultingFirm_A5EE35694BF51B058F7E5F8089FCE314_documentation_en-US" xlink:label="lab_fnlc_OutstandingLoansAndCommitmentsSubjectByIndependentConsultingFirm_A5EE35694BF51B058F7E5F8089FCE314" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Percentage of loans and commitments subject to review by an independent consulting firm each year.</link:label>
    <link:loc xlink:href="fnlc-20170930.xsd#fnlc_OutstandingLoansAndCommitmentsSubjectByIndependentConsultingFirm" xlink:label="loc_fnlc_OutstandingLoansAndCommitmentsSubjectByIndependentConsultingFirm_A5EE35694BF51B058F7E5F8089FCE314" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_fnlc_OutstandingLoansAndCommitmentsSubjectByIndependentConsultingFirm_A5EE35694BF51B058F7E5F8089FCE314" xlink:to="lab_fnlc_OutstandingLoansAndCommitmentsSubjectByIndependentConsultingFirm_A5EE35694BF51B058F7E5F8089FCE314" xlink:type="arc" />
    <link:label id="lab_fnlc_DelinquentPeriodBeforeConsumerLoansChargedOff_CC4068C691B3E25989D15F8089FCC9C3_terseLabel_en-US" xlink:label="lab_fnlc_DelinquentPeriodBeforeConsumerLoansChargedOff_CC4068C691B3E25989D15F8089FCC9C3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Delinquent period before consumer loans charged off (days)</link:label>
    <link:label id="lab_fnlc_DelinquentPeriodBeforeConsumerLoansChargedOff_CC4068C691B3E25989D15F8089FCC9C3_label_en-US" xlink:label="lab_fnlc_DelinquentPeriodBeforeConsumerLoansChargedOff_CC4068C691B3E25989D15F8089FCC9C3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Delinquent Period Before Consumer Loans Charged Off</link:label>
    <link:label id="lab_fnlc_DelinquentPeriodBeforeConsumerLoansChargedOff_CC4068C691B3E25989D15F8089FCC9C3_documentation_en-US" xlink:label="lab_fnlc_DelinquentPeriodBeforeConsumerLoansChargedOff_CC4068C691B3E25989D15F8089FCC9C3" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Delinquent Period Before Consumer Loans Charged Off</link:label>
    <link:loc xlink:href="fnlc-20170930.xsd#fnlc_DelinquentPeriodBeforeConsumerLoansChargedOff" xlink:label="loc_fnlc_DelinquentPeriodBeforeConsumerLoansChargedOff_CC4068C691B3E25989D15F8089FCC9C3" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_fnlc_DelinquentPeriodBeforeConsumerLoansChargedOff_CC4068C691B3E25989D15F8089FCC9C3" xlink:to="lab_fnlc_DelinquentPeriodBeforeConsumerLoansChargedOff_CC4068C691B3E25989D15F8089FCC9C3" xlink:type="arc" />
    <link:label id="lab_fnlc_DelinquentPeriodBeforeResidentialLoansPlacedOnNonAccrualStatus_3EF2F23D75AC164E57B15F8089FC460B_terseLabel_en-US" xlink:label="lab_fnlc_DelinquentPeriodBeforeResidentialLoansPlacedOnNonAccrualStatus_3EF2F23D75AC164E57B15F8089FC460B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Delinquent period before residential loans placed on non accrual status (days)</link:label>
    <link:label id="lab_fnlc_DelinquentPeriodBeforeResidentialLoansPlacedOnNonAccrualStatus_3EF2F23D75AC164E57B15F8089FC460B_label_en-US" xlink:label="lab_fnlc_DelinquentPeriodBeforeResidentialLoansPlacedOnNonAccrualStatus_3EF2F23D75AC164E57B15F8089FC460B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Delinquent Period Before Residential Loans Placed On Non Accrual Status</link:label>
    <link:label id="lab_fnlc_DelinquentPeriodBeforeResidentialLoansPlacedOnNonAccrualStatus_3EF2F23D75AC164E57B15F8089FC460B_documentation_en-US" xlink:label="lab_fnlc_DelinquentPeriodBeforeResidentialLoansPlacedOnNonAccrualStatus_3EF2F23D75AC164E57B15F8089FC460B" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The minimum amount of days past due at which residential loans are placed on non-accrual status..</link:label>
    <link:loc xlink:href="fnlc-20170930.xsd#fnlc_DelinquentPeriodBeforeResidentialLoansPlacedOnNonAccrualStatus" xlink:label="loc_fnlc_DelinquentPeriodBeforeResidentialLoansPlacedOnNonAccrualStatus_3EF2F23D75AC164E57B15F8089FC460B" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_fnlc_DelinquentPeriodBeforeResidentialLoansPlacedOnNonAccrualStatus_3EF2F23D75AC164E57B15F8089FC460B" xlink:to="lab_fnlc_DelinquentPeriodBeforeResidentialLoansPlacedOnNonAccrualStatus_3EF2F23D75AC164E57B15F8089FC460B" xlink:type="arc" />
    <link:label id="lab_fnlc_DelinquentPeriodforLoansChargedOff_25C2E46B453AC891E9CE5F8089FCC508_terseLabel_en-US" xlink:label="lab_fnlc_DelinquentPeriodforLoansChargedOff_25C2E46B453AC891E9CE5F8089FCC508" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Delinquent period for loans charged off (days)</link:label>
    <link:label id="lab_fnlc_DelinquentPeriodforLoansChargedOff_25C2E46B453AC891E9CE5F8089FCC508_label_en-US" xlink:label="lab_fnlc_DelinquentPeriodforLoansChargedOff_25C2E46B453AC891E9CE5F8089FCC508" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Delinquent Period for Loans Charged Off</link:label>
    <link:label id="lab_fnlc_DelinquentPeriodforLoansChargedOff_25C2E46B453AC891E9CE5F8089FCC508_documentation_en-US" xlink:label="lab_fnlc_DelinquentPeriodforLoansChargedOff_25C2E46B453AC891E9CE5F8089FCC508" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Delinquent Period for Loans Charged Off</link:label>
    <link:loc xlink:href="fnlc-20170930.xsd#fnlc_DelinquentPeriodforLoansChargedOff" xlink:label="loc_fnlc_DelinquentPeriodforLoansChargedOff_25C2E46B453AC891E9CE5F8089FCC508" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_fnlc_DelinquentPeriodforLoansChargedOff_25C2E46B453AC891E9CE5F8089FCC508" xlink:to="lab_fnlc_DelinquentPeriodforLoansChargedOff_25C2E46B453AC891E9CE5F8089FCC508" xlink:type="arc" />
    <link:label id="lab_fnlc_DelinquentPeriodforLoansChargedOffPeriodAfterReceiptofNotificationfromBankruptcyCourt_CF34A833C27059409B2A5F8089FC4EA7_terseLabel_en-US" xlink:label="lab_fnlc_DelinquentPeriodforLoansChargedOffPeriodAfterReceiptofNotificationfromBankruptcyCourt_CF34A833C27059409B2A5F8089FC4EA7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Delinquency period for loans charged off after receipt of notification from bankruptcy court (days)</link:label>
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    <link:label id="lab_us-gaap_OtherRealEstateAndForeclosedAssets_157FF66A78AE0101827C970F61E43BF8_verboseLabel_en-US" xlink:label="lab_us-gaap_OtherRealEstateAndForeclosedAssets_157FF66A78AE0101827C970F61E43BF8" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Other real estate owned</link:label>
    <link:label id="lab_us-gaap_OtherRealEstateAndForeclosedAssets_157FF66A78AE0101827C970F61E43BF8_label_en-US" xlink:label="lab_us-gaap_OtherRealEstateAndForeclosedAssets_157FF66A78AE0101827C970F61E43BF8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Real Estate, Foreclosed Assets, and Repossessed Assets</link:label>
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    <link:label id="lab_fnlc_ImpairedLoansFairValueDisclosure_9CFF978D1152CAECC279970F61E485C5_terseLabel_en-US" xlink:label="lab_fnlc_ImpairedLoansFairValueDisclosure_9CFF978D1152CAECC279970F61E485C5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Impaired loans</link:label>
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    <link:loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityFilerCategory" xlink:label="loc_dei_EntityFilerCategory_A140EFB3E78F5165BC3441FE4D98C05D" xlink:type="locator" />
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    <link:label id="lab_fnlc_RestrictedEquitySecuritiesAtCost_DA36CE0DA04A3156F8410163F544F8D3_documentation_en-US" xlink:label="lab_fnlc_RestrictedEquitySecuritiesAtCost_DA36CE0DA04A3156F8410163F544F8D3" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount of stock held at Federal Home Loan Bank and Federal Reserve Bank. Federal Home Loan Bank (FHLB) stock and Federal Reserve Bank Stock represents an equity interest in a FHLB of FRB. It does not have a readily determinable fair value because its ownership is restricted and it lacks a market (liquidity).</link:label>
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    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_fnlc_RestrictedEquitySecuritiesAtCost_DA36CE0DA04A3156F8410163F544F8D3" xlink:to="lab_fnlc_RestrictedEquitySecuritiesAtCost_DA36CE0DA04A3156F8410163F544F8D3" xlink:type="arc" />
    <link:label id="lab_us-gaap_LoansReceivableHeldForSaleNetNotPartOfDisposalGroup_449572BE7DEB9FC916C60163F5446296_terseLabel_en-US" xlink:label="lab_us-gaap_LoansReceivableHeldForSaleNetNotPartOfDisposalGroup_449572BE7DEB9FC916C60163F5446296" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Loans held for sale</link:label>
    <link:label id="lab_us-gaap_LoansReceivableHeldForSaleNetNotPartOfDisposalGroup_449572BE7DEB9FC916C60163F5446296_label_en-US" xlink:label="lab_us-gaap_LoansReceivableHeldForSaleNetNotPartOfDisposalGroup_449572BE7DEB9FC916C60163F5446296" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Loans Receivable Held-for-sale, Net, Not Part of Disposal Group</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LoansReceivableHeldForSaleNetNotPartOfDisposalGroup" xlink:label="loc_us-gaap_LoansReceivableHeldForSaleNetNotPartOfDisposalGroup_449572BE7DEB9FC916C60163F5446296" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LoansReceivableHeldForSaleNetNotPartOfDisposalGroup_449572BE7DEB9FC916C60163F5446296" xlink:to="lab_us-gaap_LoansReceivableHeldForSaleNetNotPartOfDisposalGroup_449572BE7DEB9FC916C60163F5446296" xlink:type="arc" />
    <link:label id="lab_us-gaap_LoansHeldForSaleFairValueDisclosure_356367E7CC5F6CF11EF60163F544FA40_terseLabel_en-US" xlink:label="lab_us-gaap_LoansHeldForSaleFairValueDisclosure_356367E7CC5F6CF11EF60163F544FA40" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Loans held for sale</link:label>
    <link:label id="lab_us-gaap_LoansHeldForSaleFairValueDisclosure_356367E7CC5F6CF11EF60163F544FA40_label_en-US" xlink:label="lab_us-gaap_LoansHeldForSaleFairValueDisclosure_356367E7CC5F6CF11EF60163F544FA40" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Loans Held-for-sale, Fair Value Disclosure</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LoansHeldForSaleFairValueDisclosure" xlink:label="loc_us-gaap_LoansHeldForSaleFairValueDisclosure_356367E7CC5F6CF11EF60163F544FA40" xlink:type="locator" />
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    <link:label id="lab_us-gaap_LoansReceivableFairValueDisclosure_2F0D7B1FC5DE2B05DF6D0163F5458334_terseLabel_en-US" xlink:label="lab_us-gaap_LoansReceivableFairValueDisclosure_2F0D7B1FC5DE2B05DF6D0163F5458334" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Loans</link:label>
    <link:label id="lab_us-gaap_LoansReceivableFairValueDisclosure_2F0D7B1FC5DE2B05DF6D0163F5458334_label_en-US" xlink:label="lab_us-gaap_LoansReceivableFairValueDisclosure_2F0D7B1FC5DE2B05DF6D0163F5458334" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Loans Receivable, Fair Value Disclosure</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LoansReceivableFairValueDisclosure" xlink:label="loc_us-gaap_LoansReceivableFairValueDisclosure_2F0D7B1FC5DE2B05DF6D0163F5458334" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LoansReceivableFairValueDisclosure_2F0D7B1FC5DE2B05DF6D0163F5458334" xlink:to="lab_us-gaap_LoansReceivableFairValueDisclosure_2F0D7B1FC5DE2B05DF6D0163F5458334" xlink:type="arc" />
    <link:label id="lab_us-gaap_ServicingAssetAtAmortizedValue_FD89996044DDFE8398DF0163F5457B70_terseLabel_en-US" xlink:label="lab_us-gaap_ServicingAssetAtAmortizedValue_FD89996044DDFE8398DF0163F5457B70" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Mortgage servicing rights</link:label>
    <link:label id="lab_us-gaap_ServicingAssetAtAmortizedValue_FD89996044DDFE8398DF0163F5457B70_label_en-US" xlink:label="lab_us-gaap_ServicingAssetAtAmortizedValue_FD89996044DDFE8398DF0163F5457B70" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Servicing Asset at Amortized Cost</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ServicingAssetAtAmortizedValue" xlink:label="loc_us-gaap_ServicingAssetAtAmortizedValue_FD89996044DDFE8398DF0163F5457B70" xlink:type="locator" />
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    <link:label id="lab_us-gaap_ServicingAssetAtFairValueAmount_74A24B277775FD9B3D050163F5459836_verboseLabel_en-US" xlink:label="lab_us-gaap_ServicingAssetAtFairValueAmount_74A24B277775FD9B3D050163F5459836" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Mortgage servicing rights</link:label>
    <link:label id="lab_us-gaap_ServicingAssetAtFairValueAmount_74A24B277775FD9B3D050163F5459836_label_en-US" xlink:label="lab_us-gaap_ServicingAssetAtFairValueAmount_74A24B277775FD9B3D050163F5459836" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Servicing Asset at Fair Value, Amount</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ServicingAssetAtFairValueAmount" xlink:label="loc_us-gaap_ServicingAssetAtFairValueAmount_74A24B277775FD9B3D050163F5459836" xlink:type="locator" />
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    <link:label id="lab_us-gaap_DerivativeAssets_18272420D89EC915D1BE0163F54580AE_verboseLabel_en-US" xlink:label="lab_us-gaap_DerivativeAssets_18272420D89EC915D1BE0163F54580AE" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Interest rate swap agreements</link:label>
    <link:label id="lab_us-gaap_DerivativeAssets_18272420D89EC915D1BE0163F54580AE_label_en-US" xlink:label="lab_us-gaap_DerivativeAssets_18272420D89EC915D1BE0163F54580AE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Derivative Asset</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DerivativeAssets" xlink:label="loc_us-gaap_DerivativeAssets_18272420D89EC915D1BE0163F54580AE" xlink:type="locator" />
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    <link:label id="lab_fnlc_AccruedInterestReceivableFairValueDisclosure_3149DA08BB949B6FA4090163F5459CEA_terseLabel_en-US" xlink:label="lab_fnlc_AccruedInterestReceivableFairValueDisclosure_3149DA08BB949B6FA4090163F5459CEA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Accrued interest receivable</link:label>
    <link:label id="lab_fnlc_AccruedInterestReceivableFairValueDisclosure_3149DA08BB949B6FA4090163F5459CEA_label_en-US" xlink:label="lab_fnlc_AccruedInterestReceivableFairValueDisclosure_3149DA08BB949B6FA4090163F5459CEA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Accrued Interest Receivable Fair Value Disclosure</link:label>
    <link:label id="lab_fnlc_AccruedInterestReceivableFairValueDisclosure_3149DA08BB949B6FA4090163F5459CEA_documentation_en-US" xlink:label="lab_fnlc_AccruedInterestReceivableFairValueDisclosure_3149DA08BB949B6FA4090163F5459CEA" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents the portion of the balance sheet assertion valued at fair value whether such amount is presented as a separate caption or as a parenthetical disclosure. Element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. May be used in both the balance sheet and disclosure in the same submission. This item represents the amount shown on an entity's books for accrued interest receivable.</link:label>
    <link:loc xlink:href="fnlc-20170930.xsd#fnlc_AccruedInterestReceivableFairValueDisclosure" xlink:label="loc_fnlc_AccruedInterestReceivableFairValueDisclosure_3149DA08BB949B6FA4090163F5459CEA" xlink:type="locator" />
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    <link:label id="lab_us-gaap_DemandDepositAccounts_7550F8E5491C7B7746930163F54587E9_terseLabel_en-US" xlink:label="lab_us-gaap_DemandDepositAccounts_7550F8E5491C7B7746930163F54587E9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Demand deposits</link:label>
    <link:label id="lab_us-gaap_DemandDepositAccounts_7550F8E5491C7B7746930163F54587E9_label_en-US" xlink:label="lab_us-gaap_DemandDepositAccounts_7550F8E5491C7B7746930163F54587E9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Demand Deposit Accounts</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DemandDepositAccounts" xlink:label="loc_us-gaap_DemandDepositAccounts_7550F8E5491C7B7746930163F54587E9" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DemandDepositAccounts_7550F8E5491C7B7746930163F54587E9" xlink:to="lab_us-gaap_DemandDepositAccounts_7550F8E5491C7B7746930163F54587E9" xlink:type="arc" />
    <link:label id="lab_us-gaap_DepositsNegotiableOrderOfWithdrawalNOW_390F1D5FE16D6ACBCCA60163F5453FE8_terseLabel_en-US" xlink:label="lab_us-gaap_DepositsNegotiableOrderOfWithdrawalNOW_390F1D5FE16D6ACBCCA60163F5453FE8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">NOW deposits</link:label>
    <link:label id="lab_us-gaap_DepositsNegotiableOrderOfWithdrawalNOW_390F1D5FE16D6ACBCCA60163F5453FE8_label_en-US" xlink:label="lab_us-gaap_DepositsNegotiableOrderOfWithdrawalNOW_390F1D5FE16D6ACBCCA60163F5453FE8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deposits, Negotiable Order of Withdrawal (NOW)</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DepositsNegotiableOrderOfWithdrawalNOW" xlink:label="loc_us-gaap_DepositsNegotiableOrderOfWithdrawalNOW_390F1D5FE16D6ACBCCA60163F5453FE8" xlink:type="locator" />
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    <link:label id="lab_us-gaap_DepositsMoneyMarketDeposits_F1F5551073A3A9A4EC740163F545F77B_terseLabel_en-US" xlink:label="lab_us-gaap_DepositsMoneyMarketDeposits_F1F5551073A3A9A4EC740163F545F77B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Money market deposits</link:label>
    <link:label id="lab_us-gaap_DepositsMoneyMarketDeposits_F1F5551073A3A9A4EC740163F545F77B_label_en-US" xlink:label="lab_us-gaap_DepositsMoneyMarketDeposits_F1F5551073A3A9A4EC740163F545F77B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deposits, Money Market Deposits</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DepositsMoneyMarketDeposits" xlink:label="loc_us-gaap_DepositsMoneyMarketDeposits_F1F5551073A3A9A4EC740163F545F77B" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DepositsMoneyMarketDeposits_F1F5551073A3A9A4EC740163F545F77B" xlink:to="lab_us-gaap_DepositsMoneyMarketDeposits_F1F5551073A3A9A4EC740163F545F77B" xlink:type="arc" />
    <link:label id="lab_us-gaap_DepositsSavingsDeposits_01C4111535552768C6A20163F5457B5D_terseLabel_en-US" xlink:label="lab_us-gaap_DepositsSavingsDeposits_01C4111535552768C6A20163F5457B5D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Savings deposits</link:label>
    <link:label id="lab_us-gaap_DepositsSavingsDeposits_01C4111535552768C6A20163F5457B5D_label_en-US" xlink:label="lab_us-gaap_DepositsSavingsDeposits_01C4111535552768C6A20163F5457B5D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deposits, Savings Deposits</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DepositsSavingsDeposits" xlink:label="loc_us-gaap_DepositsSavingsDeposits_01C4111535552768C6A20163F5457B5D" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DepositsSavingsDeposits_01C4111535552768C6A20163F5457B5D" xlink:to="lab_us-gaap_DepositsSavingsDeposits_01C4111535552768C6A20163F5457B5D" xlink:type="arc" />
    <link:label id="lab_fnlc_LocalCertificatesofDeposit_28686F891A4963579AE90163F54551FA_terseLabel_en-US" xlink:label="lab_fnlc_LocalCertificatesofDeposit_28686F891A4963579AE90163F54551FA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Local certificates of deposit</link:label>
    <link:label id="lab_fnlc_LocalCertificatesofDeposit_28686F891A4963579AE90163F54551FA_label_en-US" xlink:label="lab_fnlc_LocalCertificatesofDeposit_28686F891A4963579AE90163F54551FA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Local Certificates of Deposit</link:label>
    <link:label id="lab_fnlc_LocalCertificatesofDeposit_28686F891A4963579AE90163F54551FA_documentation_en-US" xlink:label="lab_fnlc_LocalCertificatesofDeposit_28686F891A4963579AE90163F54551FA" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The aggregate amount of local time deposits, including certificates of deposits, individual retirement accounts and open accounts.</link:label>
    <link:loc xlink:href="fnlc-20170930.xsd#fnlc_LocalCertificatesofDeposit" xlink:label="loc_fnlc_LocalCertificatesofDeposit_28686F891A4963579AE90163F54551FA" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_fnlc_LocalCertificatesofDeposit_28686F891A4963579AE90163F54551FA" xlink:to="lab_fnlc_LocalCertificatesofDeposit_28686F891A4963579AE90163F54551FA" xlink:type="arc" />
    <link:label id="lab_fnlc_NationalCertificatesOfDeposit_30DAFC233845B2282EC00163F545CD23_terseLabel_en-US" xlink:label="lab_fnlc_NationalCertificatesOfDeposit_30DAFC233845B2282EC00163F545CD23" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">National certificates of deposit</link:label>
    <link:label id="lab_fnlc_NationalCertificatesOfDeposit_30DAFC233845B2282EC00163F545CD23_label_en-US" xlink:label="lab_fnlc_NationalCertificatesOfDeposit_30DAFC233845B2282EC00163F545CD23" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">National Certificates of Deposit</link:label>
    <link:label id="lab_fnlc_NationalCertificatesOfDeposit_30DAFC233845B2282EC00163F545CD23_documentation_en-US" xlink:label="lab_fnlc_NationalCertificatesOfDeposit_30DAFC233845B2282EC00163F545CD23" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The aggregate amount of national time deposits, including certificates of deposits, individual retirement accounts and open accounts.</link:label>
    <link:loc xlink:href="fnlc-20170930.xsd#fnlc_NationalCertificatesOfDeposit" xlink:label="loc_fnlc_NationalCertificatesOfDeposit_30DAFC233845B2282EC00163F545CD23" xlink:type="locator" />
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    <link:label id="lab_us-gaap_Deposits_DBBCDC104D3BA8CC0F0A0163F545B4EF_totalLabel_en-US" xlink:label="lab_us-gaap_Deposits_DBBCDC104D3BA8CC0F0A0163F545B4EF" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total deposits</link:label>
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    <link:label id="lab_us-gaap_HeldToMaturitySecuritiesDebtMaturitiesFairValueAbstract_57A8EC4FC6F90AB1C79E855B5F0A68CD_label_en-US" xlink:label="lab_us-gaap_HeldToMaturitySecuritiesDebtMaturitiesFairValueAbstract_2AC9452ECF195E1EBD5AFC28B13481B2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Held-to-maturity Securities, Debt Maturities, Fair Value, Fiscal Year Maturity [Abstract]</link:label>
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    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_HeldToMaturitySecuritiesDebtMaturitiesFairValueAbstract_2AC9452ECF195E1EBD5AFC28B13481B2" xlink:to="lab_us-gaap_HeldToMaturitySecuritiesDebtMaturitiesFairValueAbstract_2AC9452ECF195E1EBD5AFC28B13481B2" xlink:type="arc" />
    <link:label id="lab_us-gaap_HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearFairValue_48B001E4D08C4FF9F879855B5F0AA1E7_terseLabel_en-US" xlink:label="lab_us-gaap_HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearFairValue_AE94900A699F5661AF52D569B6E68D7C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Due in 1 year or less, Securities to be held to maturity, Fair Value (Estimated)</link:label>
    <link:label id="lab_us-gaap_HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearFairValue_48B001E4D08C4FF9F879855B5F0AA1E7_label_en-US" xlink:label="lab_us-gaap_HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearFairValue_AE94900A699F5661AF52D569B6E68D7C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Held-to-maturity Securities, Debt Maturities, Next Twelve Months, Fair Value</link:label>
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    <link:label id="lab_us-gaap_HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue_DC607B3788C1081050BF855B5F0ACA6F_terseLabel_en-US" xlink:label="lab_us-gaap_HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue_1A799CBD00E150B1908C5DEBFE6BC288" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Due in 1 to 5 years, Securities to be held to maturity, Fair Value (Estimated)</link:label>
    <link:label id="lab_us-gaap_HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue_DC607B3788C1081050BF855B5F0ACA6F_label_en-US" xlink:label="lab_us-gaap_HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue_1A799CBD00E150B1908C5DEBFE6BC288" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Held-to-maturity Securities, Debt Maturities, Year Two Through Five, Fair Value</link:label>
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    <link:label id="lab_us-gaap_HeldToMaturitySecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue_77BA8B1720F5776CC161855B5F0A746F_terseLabel_en-US" xlink:label="lab_us-gaap_HeldToMaturitySecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue_95541B45F8915077A21D474D5B35120F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Due in 5 to 10 years, Securities to be held to maturity, Fair Value (Estimated)</link:label>
    <link:label id="lab_us-gaap_HeldToMaturitySecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue_77BA8B1720F5776CC161855B5F0A746F_label_en-US" xlink:label="lab_us-gaap_HeldToMaturitySecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue_95541B45F8915077A21D474D5B35120F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Held-to-maturity Securities, Debt Maturities, Year Six Through Ten, Fair Value</link:label>
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    <link:label id="lab_fnlc_ServicingAssetsandServicingLiabilitiesatFairValueAssumptionsUsedtoEstimateFairValueLoanPrepaymentsRollingPeriodofWeeklyPrepaymentData_E26F95143A5DCCD6DE5B0163F5AB2F4B_terseLabel_en-US" xlink:label="lab_fnlc_ServicingAssetsandServicingLiabilitiesatFairValueAssumptionsUsedtoEstimateFairValueLoanPrepaymentsRollingPeriodofWeeklyPrepaymentData_E26F95143A5DCCD6DE5B0163F5AB2F4B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Moving average of weekly prepayment assumption (months)</link:label>
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    <link:label id="lab_fnlc_ServicingAssetsandServicingLiabilitiesatFairValueAssumptionsUsedtoEstimateFairValueLoanPrepaymentsRollingPeriodofWeeklyPrepaymentData_E26F95143A5DCCD6DE5B0163F5AB2F4B_documentation_en-US" xlink:label="lab_fnlc_ServicingAssetsandServicingLiabilitiesatFairValueAssumptionsUsedtoEstimateFairValueLoanPrepaymentsRollingPeriodofWeeklyPrepaymentData_E26F95143A5DCCD6DE5B0163F5AB2F4B" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Servicing Assets and Servicing Liabilities at Fair Value, Assumptions Used to Estimate Fair Value, Loan Prepayments, Rolling Period of Weekly Prepayment Data</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValuePrepaymentSpeed" xlink:label="loc_us-gaap_ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValuePrepaymentSpeed_26134D0B697A1BF3A4200163F5ABE2EC" xlink:type="locator" />
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    <link:label id="lab_fnlc_Averagequarterlydiscountrate_C817FF029B9E0E25F1BB0163F5ABF510_terseLabel_en-US" xlink:label="lab_fnlc_Averagequarterlydiscountrate_C817FF029B9E0E25F1BB0163F5ABF510" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Average quarterly discount rate</link:label>
    <link:label id="lab_fnlc_Averagequarterlydiscountrate_C817FF029B9E0E25F1BB0163F5ABF510_label_en-US" xlink:label="lab_fnlc_Averagequarterlydiscountrate_C817FF029B9E0E25F1BB0163F5ABF510" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Average quarterly discount rate</link:label>
    <link:label id="lab_fnlc_Averagequarterlydiscountrate_C817FF029B9E0E25F1BB0163F5ABF510_documentation_en-US" xlink:label="lab_fnlc_Averagequarterlydiscountrate_C817FF029B9E0E25F1BB0163F5ABF510" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The average quarterly discount rate period used as assumption in evaluating the carrying value of mortgage servicing rights.</link:label>
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    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ServicingAssetAtFairValueAmount_566628D91DFC9608669D0163F5AC7FFA" xlink:to="lab_us-gaap_ServicingAssetAtFairValueAmount_566628D91DFC9608669D0163F5AC7FFA" xlink:type="arc" />
    <link:label id="lab_fnlc_ResidentialMortgageLoansServicedForOthersOutstandingPrincipal_BFD86D857E39186736490163F5AC2FA8_terseLabel_en-US" xlink:label="lab_fnlc_ResidentialMortgageLoansServicedForOthersOutstandingPrincipal_BFD86D857E39186736490163F5AC2FA8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Residential mortgage loans serviced for others, principal</link:label>
    <link:label id="lab_fnlc_ResidentialMortgageLoansServicedForOthersOutstandingPrincipal_BFD86D857E39186736490163F5AC2FA8_label_en-US" xlink:label="lab_fnlc_ResidentialMortgageLoansServicedForOthersOutstandingPrincipal_BFD86D857E39186736490163F5AC2FA8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Residential Mortgage Loans Serviced For Others Outstanding Principal</link:label>
    <link:label id="lab_fnlc_ResidentialMortgageLoansServicedForOthersOutstandingPrincipal_BFD86D857E39186736490163F5AC2FA8_documentation_en-US" xlink:label="lab_fnlc_ResidentialMortgageLoansServicedForOthersOutstandingPrincipal_BFD86D857E39186736490163F5AC2FA8" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Dollar amount of principal outstanding on loans being serviced for others at the balance sheet date.</link:label>
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    <link:label id="lab_us-gaap_DeferredCompensationArrangementWithIndividualRequisiteServicePeriod1_57A5FF18F73B0149E69C0163F6191C14_terseLabel_en-US" xlink:label="lab_us-gaap_DeferredCompensationArrangementWithIndividualRequisiteServicePeriod1_57A5FF18F73B0149E69C0163F6191C14" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Requisite period of service (months)</link:label>
    <link:label id="lab_us-gaap_DeferredCompensationArrangementWithIndividualRequisiteServicePeriod1_57A5FF18F73B0149E69C0163F6191C14_label_en-US" xlink:label="lab_us-gaap_DeferredCompensationArrangementWithIndividualRequisiteServicePeriod1_57A5FF18F73B0149E69C0163F6191C14" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Compensation Arrangement with Individual, Requisite Service Period</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DeferredCompensationArrangementWithIndividualRequisiteServicePeriod1" xlink:label="loc_us-gaap_DeferredCompensationArrangementWithIndividualRequisiteServicePeriod1_57A5FF18F73B0149E69C0163F6191C14" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DeferredCompensationArrangementWithIndividualRequisiteServicePeriod1_57A5FF18F73B0149E69C0163F6191C14" xlink:to="lab_us-gaap_DeferredCompensationArrangementWithIndividualRequisiteServicePeriod1_57A5FF18F73B0149E69C0163F6191C14" xlink:type="arc" />
    <link:label id="lab_fnlc_DefinedContributionPlanEmployerMaximumPercentageMatchOfEmployeeAnnualSalary_574D04B108528BA59A4F0163F61A703C_verboseLabel_en-US" xlink:label="lab_fnlc_DefinedContributionPlanEmployerMaximumPercentageMatchOfEmployeeAnnualSalary_574D04B108528BA59A4F0163F61A703C" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Defined contribution plan employer maximum percentage match of annual salary based on employee contribution</link:label>
    <link:label id="lab_fnlc_DefinedContributionPlanEmployerMaximumPercentageMatchOfEmployeeAnnualSalary_574D04B108528BA59A4F0163F61A703C_label_en-US" xlink:label="lab_fnlc_DefinedContributionPlanEmployerMaximumPercentageMatchOfEmployeeAnnualSalary_574D04B108528BA59A4F0163F61A703C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Defined Contribution Plan Employer Maximum Percentage Match Of Employee Annual Salary</link:label>
    <link:label id="lab_fnlc_DefinedContributionPlanEmployerMaximumPercentageMatchOfEmployeeAnnualSalary_574D04B108528BA59A4F0163F61A703C_documentation_en-US" xlink:label="lab_fnlc_DefinedContributionPlanEmployerMaximumPercentageMatchOfEmployeeAnnualSalary_574D04B108528BA59A4F0163F61A703C" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The highest percentage of employer match of employee contribution to defined contribution plan based on annual salary.</link:label>
    <link:loc xlink:href="fnlc-20170930.xsd#fnlc_DefinedContributionPlanEmployerMaximumPercentageMatchOfEmployeeAnnualSalary" xlink:label="loc_fnlc_DefinedContributionPlanEmployerMaximumPercentageMatchOfEmployeeAnnualSalary_574D04B108528BA59A4F0163F61A703C" xlink:type="locator" />
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    <link:label id="lab_fnlc_DefinedContributionPlanEmployerMaximumProfitSharingContributions_25460BDAFF301A77CCA10163F61AC4FD_verboseLabel_en-US" xlink:label="lab_fnlc_DefinedContributionPlanEmployerMaximumProfitSharingContributions_25460BDAFF301A77CCA10163F61AC4FD" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Defined contribution plan employer maximum percentage of annual profit-sharing contribution to plan for benefit of employee</link:label>
    <link:label id="lab_fnlc_DefinedContributionPlanEmployerMaximumProfitSharingContributions_25460BDAFF301A77CCA10163F61AC4FD_label_en-US" xlink:label="lab_fnlc_DefinedContributionPlanEmployerMaximumProfitSharingContributions_25460BDAFF301A77CCA10163F61AC4FD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Defined Contribution Plan Employer Maximum Profit Sharing Contributions</link:label>
    <link:label id="lab_fnlc_DefinedContributionPlanEmployerMaximumProfitSharingContributions_25460BDAFF301A77CCA10163F61AC4FD_documentation_en-US" xlink:label="lab_fnlc_DefinedContributionPlanEmployerMaximumProfitSharingContributions_25460BDAFF301A77CCA10163F61AC4FD" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Percentage of profit-sharing contributed by the employer to the defined contribution plan. The employee is entitled to receive in the future, subject to vesting and other restrictions, a share in the profits, as defined in the agreement, of the entity or portion thereof. Employer contributions may be discretionary or may be based on a fixed formula related to profits, compensation, or other factors. It is a form of incentive compensation to employees in addition to their regular salary and bonuses.</link:label>
    <link:loc xlink:href="fnlc-20170930.xsd#fnlc_DefinedContributionPlanEmployerMaximumProfitSharingContributions" xlink:label="loc_fnlc_DefinedContributionPlanEmployerMaximumProfitSharingContributions_25460BDAFF301A77CCA10163F61AC4FD" xlink:type="locator" />
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    <link:label id="lab_us-gaap_DefinedContributionPlanCostRecognized_B0803B359C2EB6BB59BA0163F61A563B_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedContributionPlanCostRecognized_B0803B359C2EB6BB59BA0163F61A563B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Expense related to 401(k) plan</link:label>
    <link:label id="lab_us-gaap_DefinedContributionPlanCostRecognized_B0803B359C2EB6BB59BA0163F61A563B_label_en-US" xlink:label="lab_us-gaap_DefinedContributionPlanCostRecognized_B0803B359C2EB6BB59BA0163F61A563B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Defined Contribution Plan, Cost</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DefinedContributionPlanCostRecognized" xlink:label="loc_us-gaap_DefinedContributionPlanCostRecognized_B0803B359C2EB6BB59BA0163F61A563B" xlink:type="locator" />
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    <link:label id="lab_fnlc_PostEmploymentPlanSupplementalBenefitsPaymentPeriodUponRetirementOrDeath_048B79F2166A6C94DB980163F61ACB6F_terseLabel_en-US" xlink:label="lab_fnlc_PostEmploymentPlanSupplementalBenefitsPaymentPeriodUponRetirementOrDeath_048B79F2166A6C94DB980163F61ACB6F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Unfunded, supplemental retirement benefits payable period (years)</link:label>
    <link:label id="lab_fnlc_PostEmploymentPlanSupplementalBenefitsPaymentPeriodUponRetirementOrDeath_048B79F2166A6C94DB980163F61ACB6F_label_en-US" xlink:label="lab_fnlc_PostEmploymentPlanSupplementalBenefitsPaymentPeriodUponRetirementOrDeath_048B79F2166A6C94DB980163F61ACB6F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Post Employment Plan, Supplemental Benefits, Payment Period Upon Retirement Or Death</link:label>
    <link:label id="lab_fnlc_PostEmploymentPlanSupplementalBenefitsPaymentPeriodUponRetirementOrDeath_048B79F2166A6C94DB980163F61ACB6F_documentation_en-US" xlink:label="lab_fnlc_PostEmploymentPlanSupplementalBenefitsPaymentPeriodUponRetirementOrDeath_048B79F2166A6C94DB980163F61ACB6F" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Post Employment Plan, Supplemental Benefits, Payment Period Upon Retirement Or Death</link:label>
    <link:loc xlink:href="fnlc-20170930.xsd#fnlc_PostEmploymentPlanSupplementalBenefitsPaymentPeriodUponRetirementOrDeath" xlink:label="loc_fnlc_PostEmploymentPlanSupplementalBenefitsPaymentPeriodUponRetirementOrDeath_048B79F2166A6C94DB980163F61ACB6F" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_fnlc_PostEmploymentPlanSupplementalBenefitsPaymentPeriodUponRetirementOrDeath_048B79F2166A6C94DB980163F61ACB6F" xlink:to="lab_fnlc_PostEmploymentPlanSupplementalBenefitsPaymentPeriodUponRetirementOrDeath_048B79F2166A6C94DB980163F61ACB6F" xlink:type="arc" />
    <link:label id="lab_us-gaap_PensionAndOtherPostretirementBenefitExpense_8D247F6A4C5EF9B613570163F61AEA42_terseLabel_en-US" xlink:label="lab_us-gaap_PensionAndOtherPostretirementBenefitExpense_8D247F6A4C5EF9B613570163F61AEA42" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Pension expense</link:label>
    <link:label id="lab_us-gaap_PensionAndOtherPostretirementBenefitExpense_8D247F6A4C5EF9B613570163F61AEA42_label_en-US" xlink:label="lab_us-gaap_PensionAndOtherPostretirementBenefitExpense_8D247F6A4C5EF9B613570163F61AEA42" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Pension and Other Postretirement Benefits Cost (Reversal of Cost)</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PensionAndOtherPostretirementBenefitExpense" xlink:label="loc_us-gaap_PensionAndOtherPostretirementBenefitExpense_8D247F6A4C5EF9B613570163F61AEA42" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PensionAndOtherPostretirementBenefitExpense_8D247F6A4C5EF9B613570163F61AEA42" xlink:to="lab_us-gaap_PensionAndOtherPostretirementBenefitExpense_8D247F6A4C5EF9B613570163F61AEA42" xlink:type="arc" />
    <link:label id="lab_us-gaap_DefinedBenefitPensionPlanCurrentAndNoncurrentLiabilities_40D2D636098DA83828040163F61A29C4_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPensionPlanCurrentAndNoncurrentLiabilities_40D2D636098DA83828040163F61A29C4" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Accrued pension liability</link:label>
    <link:label id="lab_us-gaap_DefinedBenefitPensionPlanCurrentAndNoncurrentLiabilities_40D2D636098DA83828040163F61A29C4_label_en-US" xlink:label="lab_us-gaap_DefinedBenefitPensionPlanCurrentAndNoncurrentLiabilities_40D2D636098DA83828040163F61A29C4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Liability, Defined Benefit Pension Plan</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DefinedBenefitPensionPlanCurrentAndNoncurrentLiabilities" xlink:label="loc_us-gaap_DefinedBenefitPensionPlanCurrentAndNoncurrentLiabilities_40D2D636098DA83828040163F61A29C4" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DefinedBenefitPensionPlanCurrentAndNoncurrentLiabilities_40D2D636098DA83828040163F61A29C4" xlink:to="lab_us-gaap_DefinedBenefitPensionPlanCurrentAndNoncurrentLiabilities_40D2D636098DA83828040163F61A29C4" xlink:type="arc" />
    <link:label id="lab_fnlc_NumberOfPostRetirementBenefitPlans_07803656EAE13C1105150163F61AAE40_terseLabel_en-US" xlink:label="lab_fnlc_NumberOfPostRetirementBenefitPlans_07803656EAE13C1105150163F61AAE40" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of post retirement benefit plans (post retirement benefit plan)</link:label>
    <link:label id="lab_fnlc_NumberOfPostRetirementBenefitPlans_07803656EAE13C1105150163F61AAE40_label_en-US" xlink:label="lab_fnlc_NumberOfPostRetirementBenefitPlans_07803656EAE13C1105150163F61AAE40" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number Of Post Retirement Benefit Plans</link:label>
    <link:label id="lab_fnlc_NumberOfPostRetirementBenefitPlans_07803656EAE13C1105150163F61AAE40_documentation_en-US" xlink:label="lab_fnlc_NumberOfPostRetirementBenefitPlans_07803656EAE13C1105150163F61AAE40" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Number of post-retirement benefit plans sponsored by the company.</link:label>
    <link:loc xlink:href="fnlc-20170930.xsd#fnlc_NumberOfPostRetirementBenefitPlans" xlink:label="loc_fnlc_NumberOfPostRetirementBenefitPlans_07803656EAE13C1105150163F61AAE40" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_fnlc_NumberOfPostRetirementBenefitPlans_07803656EAE13C1105150163F61AAE40" xlink:to="lab_fnlc_NumberOfPostRetirementBenefitPlans_07803656EAE13C1105150163F61AAE40" xlink:type="arc" />
    <link:label id="lab_fnlc_NumberOfEmployeesCurrentlyEligibleUnderPostRetirementPlan_5B2F4BD8457447C0F0C10163F61ADA11_terseLabel_en-US" xlink:label="lab_fnlc_NumberOfEmployeesCurrentlyEligibleUnderPostRetirementPlan_5B2F4BD8457447C0F0C10163F61ADA11" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of employees currently eligible (employee)</link:label>
    <link:label id="lab_fnlc_NumberOfEmployeesCurrentlyEligibleUnderPostRetirementPlan_5B2F4BD8457447C0F0C10163F61ADA11_label_en-US" xlink:label="lab_fnlc_NumberOfEmployeesCurrentlyEligibleUnderPostRetirementPlan_5B2F4BD8457447C0F0C10163F61ADA11" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number Of Employees Currently Eligible Under Post Retirement Plan</link:label>
    <link:label id="lab_fnlc_NumberOfEmployeesCurrentlyEligibleUnderPostRetirementPlan_5B2F4BD8457447C0F0C10163F61ADA11_documentation_en-US" xlink:label="lab_fnlc_NumberOfEmployeesCurrentlyEligibleUnderPostRetirementPlan_5B2F4BD8457447C0F0C10163F61ADA11" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Number Of Employees Currently Eligible Under Post Retirement Plan</link:label>
    <link:loc xlink:href="fnlc-20170930.xsd#fnlc_NumberOfEmployeesCurrentlyEligibleUnderPostRetirementPlan" xlink:label="loc_fnlc_NumberOfEmployeesCurrentlyEligibleUnderPostRetirementPlan_5B2F4BD8457447C0F0C10163F61ADA11" xlink:type="locator" />
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    <link:label id="lab_fnlc_EmployeeBenefitPlanRequisiteMinimumAge_10FDC4259356480A9A6E0163F61AC8E6_terseLabel_en-US" xlink:label="lab_fnlc_EmployeeBenefitPlanRequisiteMinimumAge_10FDC4259356480A9A6E0163F61AC8E6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Requisite age (in years)</link:label>
    <link:label id="lab_fnlc_EmployeeBenefitPlanRequisiteMinimumAge_10FDC4259356480A9A6E0163F61AC8E6_label_en-US" xlink:label="lab_fnlc_EmployeeBenefitPlanRequisiteMinimumAge_10FDC4259356480A9A6E0163F61AC8E6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Employee Benefit Plan, Requisite Minimum Age</link:label>
    <link:label id="lab_fnlc_EmployeeBenefitPlanRequisiteMinimumAge_10FDC4259356480A9A6E0163F61AC8E6_documentation_en-US" xlink:label="lab_fnlc_EmployeeBenefitPlanRequisiteMinimumAge_10FDC4259356480A9A6E0163F61AC8E6" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Employee Benefit Plan, Requisite Minimum Age</link:label>
    <link:loc xlink:href="fnlc-20170930.xsd#fnlc_EmployeeBenefitPlanRequisiteMinimumAge" xlink:label="loc_fnlc_EmployeeBenefitPlanRequisiteMinimumAge_10FDC4259356480A9A6E0163F61AC8E6" xlink:type="locator" />
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    <link:label id="lab_fnlc_PostRetirementBenefitPlanHealthInsuranceSubsidyRangeMinimum_9BC88163DC021B70201A0163F61A19E7_verboseLabel_en-US" xlink:label="lab_fnlc_PostRetirementBenefitPlanHealthInsuranceSubsidyRangeMinimum_9BC88163DC021B70201A0163F61A19E7" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Post-retirement benefit plan health insurance subsidy range minimum per month per person</link:label>
    <link:label id="lab_fnlc_PostRetirementBenefitPlanHealthInsuranceSubsidyRangeMinimum_9BC88163DC021B70201A0163F61A19E7_label_en-US" xlink:label="lab_fnlc_PostRetirementBenefitPlanHealthInsuranceSubsidyRangeMinimum_9BC88163DC021B70201A0163F61A19E7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Post Retirement Benefit Plan Health Insurance Subsidy Range Minimum</link:label>
    <link:label id="lab_fnlc_PostRetirementBenefitPlanHealthInsuranceSubsidyRangeMinimum_9BC88163DC021B70201A0163F61A19E7_documentation_en-US" xlink:label="lab_fnlc_PostRetirementBenefitPlanHealthInsuranceSubsidyRangeMinimum_9BC88163DC021B70201A0163F61A19E7" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The minimum amount employer will contribute per month to post-retiree for subsidizing the cost of health care insurance.</link:label>
    <link:loc xlink:href="fnlc-20170930.xsd#fnlc_PostRetirementBenefitPlanHealthInsuranceSubsidyRangeMinimum" xlink:label="loc_fnlc_PostRetirementBenefitPlanHealthInsuranceSubsidyRangeMinimum_9BC88163DC021B70201A0163F61A19E7" xlink:type="locator" />
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    <link:label id="lab_fnlc_PostRetirementBenefitPlanHealthInsuranceSubsidyRangeMaximum_FAA6446FFDA692777C3D0163F61A53FD_verboseLabel_en-US" xlink:label="lab_fnlc_PostRetirementBenefitPlanHealthInsuranceSubsidyRangeMaximum_FAA6446FFDA692777C3D0163F61A53FD" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Post-retirement benefit plan health insurance subsidy range maximum per month per person</link:label>
    <link:label id="lab_fnlc_PostRetirementBenefitPlanHealthInsuranceSubsidyRangeMaximum_FAA6446FFDA692777C3D0163F61A53FD_label_en-US" xlink:label="lab_fnlc_PostRetirementBenefitPlanHealthInsuranceSubsidyRangeMaximum_FAA6446FFDA692777C3D0163F61A53FD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Post Retirement Benefit Plan Health Insurance Subsidy Range Maximum</link:label>
    <link:label id="lab_fnlc_PostRetirementBenefitPlanHealthInsuranceSubsidyRangeMaximum_FAA6446FFDA692777C3D0163F61A53FD_documentation_en-US" xlink:label="lab_fnlc_PostRetirementBenefitPlanHealthInsuranceSubsidyRangeMaximum_FAA6446FFDA692777C3D0163F61A53FD" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The maximum amount employer will contribute per month to post-retiree for subsidizing the cost of health care insurance.</link:label>
    <link:loc xlink:href="fnlc-20170930.xsd#fnlc_PostRetirementBenefitPlanHealthInsuranceSubsidyRangeMaximum" xlink:label="loc_fnlc_PostRetirementBenefitPlanHealthInsuranceSubsidyRangeMaximum_FAA6446FFDA692777C3D0163F61A53FD" xlink:type="locator" />
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    <link:label id="lab_us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate_1656BE1218F52E5599AC0163F61AEDEB_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate_1656BE1218F52E5599AC0163F61AEDEB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Discount rate</link:label>
    <link:label id="lab_us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate_1656BE1218F52E5599AC0163F61AEDEB_label_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate_1656BE1218F52E5599AC0163F61AEDEB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Discount Rate</link:label>
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    <link:label id="lab_us-gaap_DefinedBenefitPlanHealthCareCostTrendRateAssumedNextFiscalYear_A978493800C492B677A40163F61F9724_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanHealthCareCostTrendRateAssumedNextFiscalYear_A978493800C492B677A40163F61F9724" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Assumed health care cost trend rate</link:label>
    <link:label id="lab_us-gaap_DefinedBenefitPlanHealthCareCostTrendRateAssumedNextFiscalYear_A978493800C492B677A40163F61F9724_label_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanHealthCareCostTrendRateAssumedNextFiscalYear_A978493800C492B677A40163F61F9724" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Defined Benefit Plan, Health Care Cost Trend Rate Assumed, Next Fiscal Year</link:label>
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    <link:label id="lab_fnlc_ExpectedFutureBenefitPaymentsCurrentYear_6BCC9F51CDB962EF24ED0163F61FF18A_terseLabel_en-US" xlink:label="lab_fnlc_ExpectedFutureBenefitPaymentsCurrentYear_6BCC9F51CDB962EF24ED0163F61FF18A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Expected future benefit payments, current year</link:label>
    <link:label id="lab_fnlc_ExpectedFutureBenefitPaymentsCurrentYear_6BCC9F51CDB962EF24ED0163F61FF18A_label_en-US" xlink:label="lab_fnlc_ExpectedFutureBenefitPaymentsCurrentYear_6BCC9F51CDB962EF24ED0163F61FF18A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Expected Future Benefit Payments, Current Year</link:label>
    <link:label id="lab_fnlc_ExpectedFutureBenefitPaymentsCurrentYear_6BCC9F51CDB962EF24ED0163F61FF18A_documentation_en-US" xlink:label="lab_fnlc_ExpectedFutureBenefitPaymentsCurrentYear_6BCC9F51CDB962EF24ED0163F61FF18A" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of the benefits expected to be paid during the year.</link:label>
    <link:loc xlink:href="fnlc-20170930.xsd#fnlc_ExpectedFutureBenefitPaymentsCurrentYear" xlink:label="loc_fnlc_ExpectedFutureBenefitPaymentsCurrentYear_6BCC9F51CDB962EF24ED0163F61FF18A" xlink:type="locator" />
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    <link:label id="lab_us-gaap_DefinedBenefitPlanExpectedFutureEmployerContributionsRemainderOfFiscalYear_D5EE11B102B6158E69CA0163F61F9E02_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanExpectedFutureEmployerContributionsRemainderOfFiscalYear_D5EE11B102B6158E69CA0163F61F9E02" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Estimated plan expense</link:label>
    <link:label id="lab_us-gaap_DefinedBenefitPlanExpectedFutureEmployerContributionsRemainderOfFiscalYear_D5EE11B102B6158E69CA0163F61F9E02_label_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanExpectedFutureEmployerContributionsRemainderOfFiscalYear_D5EE11B102B6158E69CA0163F61F9E02" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Defined Benefit Plan, Expected Future Employer Contributions, Remainder of Fiscal Year</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DefinedBenefitPlanExpectedFutureEmployerContributionsRemainderOfFiscalYear" xlink:label="loc_us-gaap_DefinedBenefitPlanExpectedFutureEmployerContributionsRemainderOfFiscalYear_D5EE11B102B6158E69CA0163F61F9E02" xlink:type="locator" />
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    <link:label id="lab_us-gaap_DefinedBenefitPlanEffectOfOnePercentagePointIncreaseOnAccumulatedPostretirementBenefitObligation_938FC372207931FD093F0163F620BDAD_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanEffectOfOnePercentagePointIncreaseOnAccumulatedPostretirementBenefitObligation_938FC372207931FD093F0163F620BDAD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Effect of one percentage point increase on accumulated benefit obligation</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DefinedBenefitPlanEffectOfOnePercentagePointIncreaseOnAccumulatedPostretirementBenefitObligation" xlink:label="loc_us-gaap_DefinedBenefitPlanEffectOfOnePercentagePointIncreaseOnAccumulatedPostretirementBenefitObligation_938FC372207931FD093F0163F620BDAD" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DefinedBenefitPlanEffectOfOnePercentagePointIncreaseOnAccumulatedPostretirementBenefitObligation_938FC372207931FD093F0163F620BDAD" xlink:to="lab_us-gaap_DefinedBenefitPlanEffectOfOnePercentagePointIncreaseOnAccumulatedPostretirementBenefitObligation_938FC372207931FD093F0163F620BDAD" xlink:type="arc" />
    <link:label id="lab_fnlc_EffectOfOnePercentagePointIncreaseOnInterestCostComponents_16CF498988CEA3D788050163F620CA5A_terseLabel_en-US" xlink:label="lab_fnlc_EffectOfOnePercentagePointIncreaseOnInterestCostComponents_16CF498988CEA3D788050163F620CA5A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Effect of one percentage point increase on interest cost</link:label>
    <link:label id="lab_fnlc_EffectOfOnePercentagePointIncreaseOnInterestCostComponents_16CF498988CEA3D788050163F620CA5A_label_en-US" xlink:label="lab_fnlc_EffectOfOnePercentagePointIncreaseOnInterestCostComponents_16CF498988CEA3D788050163F620CA5A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Effect of One Percentage Point Increase on Interest Cost Components</link:label>
    <link:label id="lab_fnlc_EffectOfOnePercentagePointIncreaseOnInterestCostComponents_16CF498988CEA3D788050163F620CA5A_documentation_en-US" xlink:label="lab_fnlc_EffectOfOnePercentagePointIncreaseOnInterestCostComponents_16CF498988CEA3D788050163F620CA5A" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The effect of a one-percentage-point increase in the assumed health care cost trend rates on the aggregate of the interest cost components of net periodic postretirement health care benefit costs.</link:label>
    <link:loc xlink:href="fnlc-20170930.xsd#fnlc_EffectOfOnePercentagePointIncreaseOnInterestCostComponents" xlink:label="loc_fnlc_EffectOfOnePercentagePointIncreaseOnInterestCostComponents_16CF498988CEA3D788050163F620CA5A" xlink:type="locator" />
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    <link:label id="lab_fnlc_EffectOfOnePercentagePointIncreaseOnServiceCostComponents_5111DED80F331C30629C0163F620156B_terseLabel_en-US" xlink:label="lab_fnlc_EffectOfOnePercentagePointIncreaseOnServiceCostComponents_5111DED80F331C30629C0163F620156B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Effect of one percentage point increase on service cost</link:label>
    <link:label id="lab_fnlc_EffectOfOnePercentagePointIncreaseOnServiceCostComponents_5111DED80F331C30629C0163F620156B_label_en-US" xlink:label="lab_fnlc_EffectOfOnePercentagePointIncreaseOnServiceCostComponents_5111DED80F331C30629C0163F620156B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Effect of One Percentage Point Increase on Service Cost Components</link:label>
    <link:label id="lab_fnlc_EffectOfOnePercentagePointIncreaseOnServiceCostComponents_5111DED80F331C30629C0163F620156B_documentation_en-US" xlink:label="lab_fnlc_EffectOfOnePercentagePointIncreaseOnServiceCostComponents_5111DED80F331C30629C0163F620156B" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The effect of a one-percentage-point increase in the assumed health care cost trend rates on the aggregate of the service cost components of net periodic postretirement health care benefit costs.</link:label>
    <link:loc xlink:href="fnlc-20170930.xsd#fnlc_EffectOfOnePercentagePointIncreaseOnServiceCostComponents" xlink:label="loc_fnlc_EffectOfOnePercentagePointIncreaseOnServiceCostComponents_5111DED80F331C30629C0163F620156B" xlink:type="locator" />
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    <link:label id="lab_us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock_543A3C5BE67E0213F332665F4D55B485_verboseLabel_en-US" xlink:label="lab_us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock_D8A23D99AE74531EBEF83892B080672F" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Stock-Based Compensation</link:label>
    <link:label id="lab_us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock_543A3C5BE67E0213F332665F4D55B485_label_en-US" xlink:label="lab_us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock_D8A23D99AE74531EBEF83892B080672F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of Compensation Related Costs, Share-based Payments [Text Block]</link:label>
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    <link:label id="lab_us-gaap_UnallocatedFinancingReceivablesMember_10A991ED28242F6CD5670163F6FA424B_terseLabel_en-US" xlink:label="lab_us-gaap_UnallocatedFinancingReceivablesMember_10A991ED28242F6CD5670163F6FA424B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Unallocated</link:label>
    <link:label id="lab_us-gaap_UnallocatedFinancingReceivablesMember_10A991ED28242F6CD5670163F6FA424B_label_en-US" xlink:label="lab_us-gaap_UnallocatedFinancingReceivablesMember_10A991ED28242F6CD5670163F6FA424B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Unallocated Financing Receivables [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_UnallocatedFinancingReceivablesMember" xlink:label="loc_us-gaap_UnallocatedFinancingReceivablesMember_10A991ED28242F6CD5670163F6FA424B" xlink:type="locator" />
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    <link:label id="lab_us-gaap_LoansAndLeasesReceivableDeferredIncome_11AF0FAD65B3F56005270163F6FB594E_terseLabel_en-US" xlink:label="lab_us-gaap_LoansAndLeasesReceivableDeferredIncome_11AF0FAD65B3F56005270163F6FB594E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net deferred loan costs</link:label>
    <link:label id="lab_us-gaap_LoansAndLeasesReceivableDeferredIncome_11AF0FAD65B3F56005270163F6FB594E_label_en-US" xlink:label="lab_us-gaap_LoansAndLeasesReceivableDeferredIncome_11AF0FAD65B3F56005270163F6FB594E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Loans and Leases Receivable, Deferred Income</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LoansAndLeasesReceivableDeferredIncome" xlink:label="loc_us-gaap_LoansAndLeasesReceivableDeferredIncome_11AF0FAD65B3F56005270163F6FB594E" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LoansAndLeasesReceivableDeferredIncome_11AF0FAD65B3F56005270163F6FB594E" xlink:to="lab_us-gaap_LoansAndLeasesReceivableDeferredIncome_11AF0FAD65B3F56005270163F6FB594E" xlink:type="arc" />
    <link:label id="lab_us-gaap_FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresCollateralPledged1_11AED0CE24D47259D1BE0163F6FBBE2A_verboseLabel_en-US" xlink:label="lab_us-gaap_FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresCollateralPledged1_11AED0CE24D47259D1BE0163F6FBBE2A" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Qualifying first mortgage loans</link:label>
    <link:label id="lab_us-gaap_FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresCollateralPledged1_11AED0CE24D47259D1BE0163F6FBBE2A_label_en-US" xlink:label="lab_us-gaap_FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresCollateralPledged1_11AED0CE24D47259D1BE0163F6FBBE2A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Federal Home Loan Bank, Advances, General Debt Obligations, Disclosures, Collateral Pledged</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresCollateralPledged1" xlink:label="loc_us-gaap_FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresCollateralPledged1_11AED0CE24D47259D1BE0163F6FBBE2A" xlink:type="locator" />
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    <link:label id="lab_us-gaap_LoansPledgedAsCollateral_773B71E9AA790165E34F0163F6FB4463_terseLabel_en-US" xlink:label="lab_us-gaap_LoansPledgedAsCollateral_773B71E9AA790165E34F0163F6FB4463" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Loans pledged as collateral</link:label>
    <link:label id="lab_us-gaap_LoansPledgedAsCollateral_773B71E9AA790165E34F0163F6FB4463_label_en-US" xlink:label="lab_us-gaap_LoansPledgedAsCollateral_773B71E9AA790165E34F0163F6FB4463" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Loans Pledged as Collateral</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LoansPledgedAsCollateral" xlink:label="loc_us-gaap_LoansPledgedAsCollateral_773B71E9AA790165E34F0163F6FB4463" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LoansPledgedAsCollateral_773B71E9AA790165E34F0163F6FB4463" xlink:to="lab_us-gaap_LoansPledgedAsCollateral_773B71E9AA790165E34F0163F6FB4463" xlink:type="arc" />
    <link:label id="lab_us-gaap_FinancingReceivableModificationsNumberOfContracts2_FF74ACA49B5289DDC4FC0163F6FB6BA3_terseLabel_en-US" xlink:label="lab_us-gaap_FinancingReceivableModificationsNumberOfContracts2_FF74ACA49B5289DDC4FC0163F6FB6BA3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Loans classified as TDR (loan)</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FinancingReceivableModificationsNumberOfContracts2" xlink:label="loc_us-gaap_FinancingReceivableModificationsNumberOfContracts2_FF74ACA49B5289DDC4FC0163F6FB6BA3" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FinancingReceivableModificationsNumberOfContracts2_FF74ACA49B5289DDC4FC0163F6FB6BA3" xlink:to="lab_us-gaap_FinancingReceivableModificationsNumberOfContracts2_FF74ACA49B5289DDC4FC0163F6FB6BA3" xlink:type="arc" />
    <link:label id="lab_us-gaap_FinancingReceivableModificationsRecordedInvestment_184C7D2A6657917C0E3C0163F6FB8187_terseLabel_en-US" xlink:label="lab_us-gaap_FinancingReceivableModificationsRecordedInvestment_184C7D2A6657917C0E3C0163F6FB8187" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Value of loans classified as TDR</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FinancingReceivableModificationsRecordedInvestment" xlink:label="loc_us-gaap_FinancingReceivableModificationsRecordedInvestment_184C7D2A6657917C0E3C0163F6FB8187" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FinancingReceivableModificationsRecordedInvestment_184C7D2A6657917C0E3C0163F6FB8187" xlink:to="lab_us-gaap_FinancingReceivableModificationsRecordedInvestment_184C7D2A6657917C0E3C0163F6FB8187" xlink:type="arc" />
    <link:label id="lab_fnlc_FinancingReceivableRecordedInvestmentGreaterThan30DaysPastDue_86FF2886F95764EF0D590163F6FBB4E5_verboseLabel_en-US" xlink:label="lab_fnlc_FinancingReceivableRecordedInvestmentGreaterThan30DaysPastDue_86FF2886F95764EF0D590163F6FBB4E5" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Value of TDR loans more than 30 days past due</link:label>
    <link:loc xlink:href="fnlc-20170930.xsd#fnlc_FinancingReceivableRecordedInvestmentGreaterThan30DaysPastDue" xlink:label="loc_fnlc_FinancingReceivableRecordedInvestmentGreaterThan30DaysPastDue_86FF2886F95764EF0D590163F6FBB4E5" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_fnlc_FinancingReceivableRecordedInvestmentGreaterThan30DaysPastDue_86FF2886F95764EF0D590163F6FBB4E5" xlink:to="lab_fnlc_FinancingReceivableRecordedInvestmentGreaterThan30DaysPastDue_86FF2886F95764EF0D590163F6FBB4E5" xlink:type="arc" />
    <link:label id="lab_fnlc_NumberOfDaysPastDue_EB893BF8AB8F6422F4D10163F6FBF581_terseLabel_en-US" xlink:label="lab_fnlc_NumberOfDaysPastDue_EB893BF8AB8F6422F4D10163F6FBF581" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of days past due</link:label>
    <link:label id="lab_fnlc_NumberOfDaysPastDue_EB893BF8AB8F6422F4D10163F6FBF581_label_en-US" xlink:label="lab_fnlc_NumberOfDaysPastDue_EB893BF8AB8F6422F4D10163F6FBF581" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number Of Days Past Due</link:label>
    <link:label id="lab_fnlc_NumberOfDaysPastDue_EB893BF8AB8F6422F4D10163F6FBF581_documentation_en-US" xlink:label="lab_fnlc_NumberOfDaysPastDue_EB893BF8AB8F6422F4D10163F6FBF581" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Number Of Days Past Due</link:label>
    <link:loc xlink:href="fnlc-20170930.xsd#fnlc_NumberOfDaysPastDue" xlink:label="loc_fnlc_NumberOfDaysPastDue_EB893BF8AB8F6422F4D10163F6FBF581" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_fnlc_NumberOfDaysPastDue_EB893BF8AB8F6422F4D10163F6FBF581" xlink:to="lab_fnlc_NumberOfDaysPastDue_EB893BF8AB8F6422F4D10163F6FBF581" xlink:type="arc" />
    <link:label id="lab_fnlc_FinancingReceivableModificationsNumberOfContractsGreaterThan30DaysPastDuePlaceInTDRInPrevious12Months_A648C37CDA32642D67ED0163F6FB8298_terseLabel_en-US" xlink:label="lab_fnlc_FinancingReceivableModificationsNumberOfContractsGreaterThan30DaysPastDuePlaceInTDRInPrevious12Months_A648C37CDA32642D67ED0163F6FB8298" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of TDR loans more than 30 days past due (loan)</link:label>
    <link:label id="lab_fnlc_FinancingReceivableModificationsNumberOfContractsGreaterThan30DaysPastDuePlaceInTDRInPrevious12Months_A648C37CDA32642D67ED0163F6FB8298_label_en-US" xlink:label="lab_fnlc_FinancingReceivableModificationsNumberOfContractsGreaterThan30DaysPastDuePlaceInTDRInPrevious12Months_A648C37CDA32642D67ED0163F6FB8298" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financing Receivable Modifications Number Of Contracts Greater Than 30 Days Past Due Place In TDR In Previous 12 Months</link:label>
    <link:label id="lab_fnlc_FinancingReceivableModificationsNumberOfContractsGreaterThan30DaysPastDuePlaceInTDRInPrevious12Months_A648C37CDA32642D67ED0163F6FB8298_documentation_en-US" xlink:label="lab_fnlc_FinancingReceivableModificationsNumberOfContractsGreaterThan30DaysPastDuePlaceInTDRInPrevious12Months_A648C37CDA32642D67ED0163F6FB8298" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The number of financing receivables greater than 30 days past due that have been modified by troubled debt restructurings and that have been placed in the TDR status in the previous 12 months.</link:label>
    <link:loc xlink:href="fnlc-20170930.xsd#fnlc_FinancingReceivableModificationsNumberOfContractsGreaterThan30DaysPastDuePlaceInTDRInPrevious12Months" xlink:label="loc_fnlc_FinancingReceivableModificationsNumberOfContractsGreaterThan30DaysPastDuePlaceInTDRInPrevious12Months_A648C37CDA32642D67ED0163F6FB8298" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_fnlc_FinancingReceivableModificationsNumberOfContractsGreaterThan30DaysPastDuePlaceInTDRInPrevious12Months_A648C37CDA32642D67ED0163F6FB8298" xlink:to="lab_fnlc_FinancingReceivableModificationsNumberOfContractsGreaterThan30DaysPastDuePlaceInTDRInPrevious12Months_A648C37CDA32642D67ED0163F6FB8298" xlink:type="arc" />
    <link:label id="lab_fnlc_FinancingReceivableModificationsNumberOfContractsDuringPeriod_619AA40E30CF2A8A63090163F6FB619C_terseLabel_en-US" xlink:label="lab_fnlc_FinancingReceivableModificationsNumberOfContractsDuringPeriod_619AA40E30CF2A8A63090163F6FB619C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of loans placed on TDR status (loan)</link:label>
    <link:label id="lab_fnlc_FinancingReceivableModificationsNumberOfContractsDuringPeriod_619AA40E30CF2A8A63090163F6FB619C_label_en-US" xlink:label="lab_fnlc_FinancingReceivableModificationsNumberOfContractsDuringPeriod_619AA40E30CF2A8A63090163F6FB619C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financing Receivable Modifications Number Of Contracts During Period</link:label>
    <link:label id="lab_fnlc_FinancingReceivableModificationsNumberOfContractsDuringPeriod_619AA40E30CF2A8A63090163F6FB619C_documentation_en-US" xlink:label="lab_fnlc_FinancingReceivableModificationsNumberOfContractsDuringPeriod_619AA40E30CF2A8A63090163F6FB619C" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The number of financing receivables that have been modified by troubled debt restructurings during the current period.</link:label>
    <link:loc xlink:href="fnlc-20170930.xsd#fnlc_FinancingReceivableModificationsNumberOfContractsDuringPeriod" xlink:label="loc_fnlc_FinancingReceivableModificationsNumberOfContractsDuringPeriod_619AA40E30CF2A8A63090163F6FB619C" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_fnlc_FinancingReceivableModificationsNumberOfContractsDuringPeriod_619AA40E30CF2A8A63090163F6FB619C" xlink:to="lab_fnlc_FinancingReceivableModificationsNumberOfContractsDuringPeriod_619AA40E30CF2A8A63090163F6FB619C" xlink:type="arc" />
    <link:label id="lab_fnlc_FinancingReceivableNumberOfLoansClassifiedAsTroubledDebtRestructuringsThatAreInvolvedInBankruptcy_B7CAAFDB33BC8F6CA9320163F6FBBFEA_terseLabel_en-US" xlink:label="lab_fnlc_FinancingReceivableNumberOfLoansClassifiedAsTroubledDebtRestructuringsThatAreInvolvedInBankruptcy_B7CAAFDB33BC8F6CA9320163F6FBBFEA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of TDR loans involved in bankruptcy (loan)</link:label>
    <link:label id="lab_fnlc_FinancingReceivableNumberOfLoansClassifiedAsTroubledDebtRestructuringsThatAreInvolvedInBankruptcy_B7CAAFDB33BC8F6CA9320163F6FBBFEA_label_en-US" xlink:label="lab_fnlc_FinancingReceivableNumberOfLoansClassifiedAsTroubledDebtRestructuringsThatAreInvolvedInBankruptcy_B7CAAFDB33BC8F6CA9320163F6FBBFEA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financing Receivable, Number Of Loans Classified As Troubled Debt Restructurings That Are Involved In Bankruptcy</link:label>
    <link:label id="lab_fnlc_FinancingReceivableNumberOfLoansClassifiedAsTroubledDebtRestructuringsThatAreInvolvedInBankruptcy_B7CAAFDB33BC8F6CA9320163F6FBBFEA_documentation_en-US" xlink:label="lab_fnlc_FinancingReceivableNumberOfLoansClassifiedAsTroubledDebtRestructuringsThatAreInvolvedInBankruptcy_B7CAAFDB33BC8F6CA9320163F6FBBFEA" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The number of loans classified as troubled debt restructurings that are involved in bankruptcy as of the balance sheet date.</link:label>
    <link:loc xlink:href="fnlc-20170930.xsd#fnlc_FinancingReceivableNumberOfLoansClassifiedAsTroubledDebtRestructuringsThatAreInvolvedInBankruptcy" xlink:label="loc_fnlc_FinancingReceivableNumberOfLoansClassifiedAsTroubledDebtRestructuringsThatAreInvolvedInBankruptcy_B7CAAFDB33BC8F6CA9320163F6FBBFEA" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_fnlc_FinancingReceivableNumberOfLoansClassifiedAsTroubledDebtRestructuringsThatAreInvolvedInBankruptcy_B7CAAFDB33BC8F6CA9320163F6FBBFEA" xlink:to="lab_fnlc_FinancingReceivableNumberOfLoansClassifiedAsTroubledDebtRestructuringsThatAreInvolvedInBankruptcy_B7CAAFDB33BC8F6CA9320163F6FBBFEA" xlink:type="arc" />
    <link:label id="lab_fnlc_FinancingReceivableLoansClassifiedAsTroubledDebtRestructuringsThatAreInvolvedInBankruptcy_D6A598D2A11A7ED41F630163F6FBB886_terseLabel_en-US" xlink:label="lab_fnlc_FinancingReceivableLoansClassifiedAsTroubledDebtRestructuringsThatAreInvolvedInBankruptcy_D6A598D2A11A7ED41F630163F6FBB886" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Value of TDR loans involved in bankruptcy</link:label>
    <link:label id="lab_fnlc_FinancingReceivableLoansClassifiedAsTroubledDebtRestructuringsThatAreInvolvedInBankruptcy_D6A598D2A11A7ED41F630163F6FBB886_label_en-US" xlink:label="lab_fnlc_FinancingReceivableLoansClassifiedAsTroubledDebtRestructuringsThatAreInvolvedInBankruptcy_D6A598D2A11A7ED41F630163F6FBB886" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financing Receivable, Loans Classified As Troubled Debt Restructurings That Are Involved In Bankruptcy</link:label>
    <link:label id="lab_fnlc_FinancingReceivableLoansClassifiedAsTroubledDebtRestructuringsThatAreInvolvedInBankruptcy_D6A598D2A11A7ED41F630163F6FBB886_documentation_en-US" xlink:label="lab_fnlc_FinancingReceivableLoansClassifiedAsTroubledDebtRestructuringsThatAreInvolvedInBankruptcy_D6A598D2A11A7ED41F630163F6FBB886" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Carrying amount of loans classified as troubled debt restructurings that are involved in bankruptcy as of the balance sheet date.</link:label>
    <link:loc xlink:href="fnlc-20170930.xsd#fnlc_FinancingReceivableLoansClassifiedAsTroubledDebtRestructuringsThatAreInvolvedInBankruptcy" xlink:label="loc_fnlc_FinancingReceivableLoansClassifiedAsTroubledDebtRestructuringsThatAreInvolvedInBankruptcy_D6A598D2A11A7ED41F630163F6FBB886" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_fnlc_FinancingReceivableLoansClassifiedAsTroubledDebtRestructuringsThatAreInvolvedInBankruptcy_D6A598D2A11A7ED41F630163F6FBB886" xlink:to="lab_fnlc_FinancingReceivableLoansClassifiedAsTroubledDebtRestructuringsThatAreInvolvedInBankruptcy_D6A598D2A11A7ED41F630163F6FBB886" xlink:type="arc" />
    <link:label id="lab_fnlc_FinancingReceivableNumberOfLoansClassifiedAsTroubledDebtRestructuringsThatWereOnNonAccrualStatus_EF0B85ECF4A90BCEDDBB0163F6FB3CA8_terseLabel_en-US" xlink:label="lab_fnlc_FinancingReceivableNumberOfLoansClassifiedAsTroubledDebtRestructuringsThatWereOnNonAccrualStatus_EF0B85ECF4A90BCEDDBB0163F6FB3CA8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of TDR loans on non-accrual status (loan)</link:label>
    <link:label id="lab_fnlc_FinancingReceivableNumberOfLoansClassifiedAsTroubledDebtRestructuringsThatWereOnNonAccrualStatus_EF0B85ECF4A90BCEDDBB0163F6FB3CA8_label_en-US" xlink:label="lab_fnlc_FinancingReceivableNumberOfLoansClassifiedAsTroubledDebtRestructuringsThatWereOnNonAccrualStatus_EF0B85ECF4A90BCEDDBB0163F6FB3CA8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financing Receivable Number Of Loans Classified As Troubled Debt Restructurings That Were On Non Accrual Status</link:label>
    <link:label id="lab_fnlc_FinancingReceivableNumberOfLoansClassifiedAsTroubledDebtRestructuringsThatWereOnNonAccrualStatus_EF0B85ECF4A90BCEDDBB0163F6FB3CA8_documentation_en-US" xlink:label="lab_fnlc_FinancingReceivableNumberOfLoansClassifiedAsTroubledDebtRestructuringsThatWereOnNonAccrualStatus_EF0B85ECF4A90BCEDDBB0163F6FB3CA8" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The number of loans classified as troubled debt restructurings that were on non-accrual status as of the balance sheet date.</link:label>
    <link:loc xlink:href="fnlc-20170930.xsd#fnlc_FinancingReceivableNumberOfLoansClassifiedAsTroubledDebtRestructuringsThatWereOnNonAccrualStatus" xlink:label="loc_fnlc_FinancingReceivableNumberOfLoansClassifiedAsTroubledDebtRestructuringsThatWereOnNonAccrualStatus_EF0B85ECF4A90BCEDDBB0163F6FB3CA8" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_fnlc_FinancingReceivableNumberOfLoansClassifiedAsTroubledDebtRestructuringsThatWereOnNonAccrualStatus_EF0B85ECF4A90BCEDDBB0163F6FB3CA8" xlink:to="lab_fnlc_FinancingReceivableNumberOfLoansClassifiedAsTroubledDebtRestructuringsThatWereOnNonAccrualStatus_EF0B85ECF4A90BCEDDBB0163F6FB3CA8" xlink:type="arc" />
    <link:label id="lab_fnlc_FinancingReceivableNumberofLoansClassifiedAsTroubledDebtRestructuringsClassifiedAsNonAccrual_75C4F0287F0EF90166C60163F6FB36E3_terseLabel_en-US" xlink:label="lab_fnlc_FinancingReceivableNumberofLoansClassifiedAsTroubledDebtRestructuringsClassifiedAsNonAccrual_75C4F0287F0EF90166C60163F6FB36E3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Value of TDR loans on non-accrual status</link:label>
    <link:label id="lab_fnlc_FinancingReceivableNumberofLoansClassifiedAsTroubledDebtRestructuringsClassifiedAsNonAccrual_75C4F0287F0EF90166C60163F6FB36E3_label_en-US" xlink:label="lab_fnlc_FinancingReceivableNumberofLoansClassifiedAsTroubledDebtRestructuringsClassifiedAsNonAccrual_75C4F0287F0EF90166C60163F6FB36E3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financing Receivable, Number of Loans Classified As Troubled Debt Restructurings Classified As NonAccrual</link:label>
    <link:label id="lab_fnlc_FinancingReceivableNumberofLoansClassifiedAsTroubledDebtRestructuringsClassifiedAsNonAccrual_75C4F0287F0EF90166C60163F6FB36E3_documentation_en-US" xlink:label="lab_fnlc_FinancingReceivableNumberofLoansClassifiedAsTroubledDebtRestructuringsClassifiedAsNonAccrual_75C4F0287F0EF90166C60163F6FB36E3" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Financing Receivable, Number of Loans Classified As Troubled Debt Restructurings Classified As NonAccrual</link:label>
    <link:loc xlink:href="fnlc-20170930.xsd#fnlc_FinancingReceivableNumberofLoansClassifiedAsTroubledDebtRestructuringsClassifiedAsNonAccrual" xlink:label="loc_fnlc_FinancingReceivableNumberofLoansClassifiedAsTroubledDebtRestructuringsClassifiedAsNonAccrual_75C4F0287F0EF90166C60163F6FB36E3" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_fnlc_FinancingReceivableNumberofLoansClassifiedAsTroubledDebtRestructuringsClassifiedAsNonAccrual_75C4F0287F0EF90166C60163F6FB36E3" xlink:to="lab_fnlc_FinancingReceivableNumberofLoansClassifiedAsTroubledDebtRestructuringsClassifiedAsNonAccrual_75C4F0287F0EF90166C60163F6FB36E3" xlink:type="arc" />
    <link:label id="lab_fnlc_FinancingReceivableNumberOfLoansClassifiedAsTroubledDebtRestructuringsInvolvedInForeclosure_9100598235467E3200680163F6FBC9D3_terseLabel_en-US" xlink:label="lab_fnlc_FinancingReceivableNumberOfLoansClassifiedAsTroubledDebtRestructuringsInvolvedInForeclosure_9100598235467E3200680163F6FBC9D3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of TDR loans in the process of foreclosure (loan)</link:label>
    <link:label id="lab_fnlc_FinancingReceivableNumberOfLoansClassifiedAsTroubledDebtRestructuringsInvolvedInForeclosure_9100598235467E3200680163F6FBC9D3_label_en-US" xlink:label="lab_fnlc_FinancingReceivableNumberOfLoansClassifiedAsTroubledDebtRestructuringsInvolvedInForeclosure_9100598235467E3200680163F6FBC9D3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financing Receivable, Number Of Loans Classified As Troubled Debt Restructurings Involved In Foreclosure</link:label>
    <link:label id="lab_fnlc_FinancingReceivableNumberOfLoansClassifiedAsTroubledDebtRestructuringsInvolvedInForeclosure_9100598235467E3200680163F6FBC9D3_documentation_en-US" xlink:label="lab_fnlc_FinancingReceivableNumberOfLoansClassifiedAsTroubledDebtRestructuringsInvolvedInForeclosure_9100598235467E3200680163F6FBC9D3" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Financing Receivable, Number Of Loans Classified As Troubled Debt Restructurings Involved In Foreclosure</link:label>
    <link:loc xlink:href="fnlc-20170930.xsd#fnlc_FinancingReceivableNumberOfLoansClassifiedAsTroubledDebtRestructuringsInvolvedInForeclosure" xlink:label="loc_fnlc_FinancingReceivableNumberOfLoansClassifiedAsTroubledDebtRestructuringsInvolvedInForeclosure_9100598235467E3200680163F6FBC9D3" xlink:type="locator" />
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    <link:label id="lab_fnlc_LoansClassifiedAsTroubledDebtRestructuringsThatAreInvolvedInForeclosure_2B9B6513A445C322C34B0163F6FCF6AA_terseLabel_en-US" xlink:label="lab_fnlc_LoansClassifiedAsTroubledDebtRestructuringsThatAreInvolvedInForeclosure_2B9B6513A445C322C34B0163F6FCF6AA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Loans classified as TDRs in process of foreclosure</link:label>
    <link:label id="lab_fnlc_LoansClassifiedAsTroubledDebtRestructuringsThatAreInvolvedInForeclosure_2B9B6513A445C322C34B0163F6FCF6AA_label_en-US" xlink:label="lab_fnlc_LoansClassifiedAsTroubledDebtRestructuringsThatAreInvolvedInForeclosure_2B9B6513A445C322C34B0163F6FCF6AA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Loans Classified As Troubled Debt Restructurings That Are Involved In Foreclosure</link:label>
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    <link:loc xlink:href="fnlc-20170930.xsd#fnlc_LoansClassifiedAsTroubledDebtRestructuringsThatAreInvolvedInForeclosure" xlink:label="loc_fnlc_LoansClassifiedAsTroubledDebtRestructuringsThatAreInvolvedInForeclosure_2B9B6513A445C322C34B0163F6FCF6AA" xlink:type="locator" />
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    <link:label id="lab_fnlc_MortgageLoansinProcessofForeclosureNumber_B538997A3792CE5454490163F6FCDEF4_terseLabel_en-US" xlink:label="lab_fnlc_MortgageLoansinProcessofForeclosureNumber_B538997A3792CE5454490163F6FCDEF4" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of mortgage loans in the process of foreclosure (loan)</link:label>
    <link:label id="lab_fnlc_MortgageLoansinProcessofForeclosureNumber_B538997A3792CE5454490163F6FCDEF4_label_en-US" xlink:label="lab_fnlc_MortgageLoansinProcessofForeclosureNumber_B538997A3792CE5454490163F6FCDEF4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Mortgage Loans in Process of Foreclosure, Number</link:label>
    <link:label id="lab_fnlc_MortgageLoansinProcessofForeclosureNumber_B538997A3792CE5454490163F6FCDEF4_documentation_en-US" xlink:label="lab_fnlc_MortgageLoansinProcessofForeclosureNumber_B538997A3792CE5454490163F6FCDEF4" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Mortgage Loans in Process of Foreclosure, Number</link:label>
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    <link:label id="lab_us-gaap_MortgageLoansInProcessOfForeclosureAmount_FFCBB62B7C3B031DC5800163F6FC03A5_terseLabel_en-US" xlink:label="lab_us-gaap_MortgageLoansInProcessOfForeclosureAmount_FFCBB62B7C3B031DC5800163F6FC03A5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Value of mortgage loans in the process of foreclosure</link:label>
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    <link:label id="lab_us-gaap_AvailableForSaleSecuritiesPledgedAsCollateral_DB67E3E73B8885972192855B5EEB85A4_terseLabel_en-US" xlink:label="lab_us-gaap_AvailableForSaleSecuritiesPledgedAsCollateral_5005EF74FF425119B4BC8167D57AB4F1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fair value of securities pledged as collateral</link:label>
    <link:label id="lab_us-gaap_AvailableForSaleSecuritiesPledgedAsCollateral_DB67E3E73B8885972192855B5EEB85A4_label_en-US" xlink:label="lab_us-gaap_AvailableForSaleSecuritiesPledgedAsCollateral_5005EF74FF425119B4BC8167D57AB4F1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Available-for-sale Securities Pledged as Collateral</link:label>
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    <link:label id="lab_fnlc_NumberOfSecuritiesTemporarilyImpaired_0E0FC3543745B8928974855B5EEC69AA_terseLabel_en-US" xlink:label="lab_fnlc_NumberOfSecuritiesTemporarilyImpaired_B429989B9F965B8AA4E3C0D639948070" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of securities temporarily impaired (security)</link:label>
    <link:label id="lab_fnlc_NumberOfSecuritiesTemporarilyImpaired_0E0FC3543745B8928974855B5EEC69AA_label_en-US" xlink:label="lab_fnlc_NumberOfSecuritiesTemporarilyImpaired_B429989B9F965B8AA4E3C0D639948070" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number Of Securities Temporarily Impaired</link:label>
    <link:label id="lab_fnlc_NumberOfSecuritiesTemporarilyImpaired_0E0FC3543745B8928974855B5EEC69AA_documentation_en-US" xlink:label="lab_fnlc_NumberOfSecuritiesTemporarilyImpaired_B429989B9F965B8AA4E3C0D639948070" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The number of securities with unrealized losses, classified as temporarily impaired, held in a Company's portfolio as of the balance sheet date.</link:label>
    <link:loc xlink:href="fnlc-20170930.xsd#fnlc_NumberOfSecuritiesTemporarilyImpaired" xlink:label="loc_fnlc_NumberOfSecuritiesTemporarilyImpaired_B429989B9F965B8AA4E3C0D639948070" xlink:type="locator" />
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    <link:label id="lab_fnlc_NumberOfSecuritiesTemporarilyImpairedTwelveMonths_DEC00B904162378C6BE5855B5EEC8650_terseLabel_en-US" xlink:label="lab_fnlc_NumberOfSecuritiesTemporarilyImpairedTwelveMonths_8B3D7256EF965A20847BD60FBED89CB1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of securities temporarily impaired for twelve months or more (security)</link:label>
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    <link:label id="lab_fnlc_LengthOfTimeSecuritiesTemporarilyImpaired_6FB191921BC9FA7C4A69855B5EEC4360_terseLabel_en-US" xlink:label="lab_fnlc_LengthOfTimeSecuritiesTemporarilyImpaired_7EE78512C09B5EBA9F0D57F668864A38" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Length of time securities temporarily impaired (months)</link:label>
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    <link:label id="lab_fnlc_AvailableforSaleSecuritiesTransferredSecurityatCarryingValue_43BBFE849E12D03B4559855B5EEC9B29_terseLabel_en-US" xlink:label="lab_fnlc_AvailableforSaleSecuritiesTransferredSecurityatCarryingValue_CB1C1C5245FA5F6AA401FADF86682D24" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Amortized cost of transferred securities from available-for-sale to held-to-maturity</link:label>
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    <link:label id="lab_fnlc_AvailableforsaleSecuritiesTransferredtoHeldtomaturitySecuritiesAccumulatedUnrealizedGainLoss_7C946005634A43DDFD8D855B5EECAC27_negatedTerseLabel_en-US" xlink:label="lab_fnlc_AvailableforsaleSecuritiesTransferredtoHeldtomaturitySecuritiesAccumulatedUnrealizedGainLoss_2C46DD1E27335F8EA9B778BC6BB4E369" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Net unrealized loss, net of taxes on transferred securities</link:label>
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    <link:label id="lab_fnlc_ThreeYearsMember_8A48079B97BF3760F9ED970F622D123A_label_en-US" xlink:label="lab_fnlc_ThreeYearsMember_8A48079B97BF3760F9ED970F622D123A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Three Years [Member]</link:label>
    <link:label id="lab_fnlc_ThreeYearsMember_8A48079B97BF3760F9ED970F622D123A_documentation_en-US" xlink:label="lab_fnlc_ThreeYearsMember_8A48079B97BF3760F9ED970F622D123A" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Equity-based compensation plans that vest in three years.</link:label>
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    <link:label id="lab_fnlc_TimeDepositsGreaterThan100000AndLessThan250000_5FC810F7EB9D227C07780163F58C4C93_verboseLabel_en-US" xlink:label="lab_fnlc_TimeDepositsGreaterThan100000AndLessThan250000_5FC810F7EB9D227C07780163F58C4C93" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Certificates $100,000 to $250,000</link:label>
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    <link:label id="lab_fnlc_TimeDeposits250000OrMore_B2D1C953DA7CEFF06CDB0163F58C12C4_documentation_en-US" xlink:label="lab_fnlc_TimeDeposits250000OrMore_B2D1C953DA7CEFF06CDB0163F58C12C4" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The aggregate amount of domestic or foreign time deposits (including certificates of deposits, individual retirement accounts and open accounts) that total to more than $250,000.</link:label>
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    <link:label id="lab_us-gaap_TimeDeposits_77D3AD9B0DC4829800A30163F58C290E_totalLabel_en-US" xlink:label="lab_us-gaap_TimeDeposits_77D3AD9B0DC4829800A30163F58C290E" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total certificates of deposit</link:label>
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    <link:label id="lab_us-gaap_ScheduleOfHeldToMaturitySecuritiesTable_64E41BC5E7B8E66BB03E855B5F3FE2C3_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfHeldToMaturitySecuritiesTable_53707B1181E05274AB2D1B2E66CC5DDB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Held-to-maturity Securities [Table]</link:label>
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    <link:label id="lab_us-gaap_DebtSecurityAxis_5D75AB55BB5502AD8749855B5F3FB926_terseLabel_en-US" xlink:label="lab_us-gaap_DebtSecurityAxis_A5B1FFE8A76759E68C459E5F2D51E673" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Debt Security [Axis]</link:label>
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    <link:label id="lab_us-gaap_MortgageBackedSecuritiesMember_90768B5DF5C631AB194E855B5F400EFE_terseLabel_en-US" xlink:label="lab_us-gaap_MortgageBackedSecuritiesMember_904D2B1151B452E7A1ACB7980EFFA15B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Mortgage-backed securities</link:label>
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    <link:label id="lab_us-gaap_USStatesAndPoliticalSubdivisionsMember_71F6D31D39E4FA4557AB855B5F40CD8E_terseLabel_en-US" xlink:label="lab_us-gaap_USStatesAndPoliticalSubdivisionsMember_0D54FB2CB92050BB91BCA4EE7BD9555E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">State and political subdivisions</link:label>
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    <link:label id="lab_fnlc_RestrictedEquitySecuritiesFairValueEstimated_6187F7421BB21C75B6BB855B5F30ED01_documentation_en-US" xlink:label="lab_fnlc_RestrictedEquitySecuritiesFairValueEstimated_E08AA940945C59208D5E3BB398279704" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This item represents the aggregate fair value of non marketable securities as of the balance sheet date.</link:label>
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    <link:label id="lab_fnlc_PriceLevelOfOptionsAndWarrantsDomain_8A69203A5CFD0725AB0C855B5E644EFE_terseLabel_en-US" xlink:label="lab_fnlc_PriceLevelOfOptionsAndWarrantsDomain_E45AED7D3E045B699A39C578548F4AC9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Price Level of Options and Warrants [Domain]</link:label>
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    <link:label id="lab_fnlc_AboveAverage2Member_8382AEA02B45E57D6F7E855B5E90FA8D_label_en-US" xlink:label="lab_fnlc_AboveAverage2Member_405D9D4EB49A52C6BEA816F3D11766C3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Above Average 2 [Member]</link:label>
    <link:label id="lab_fnlc_AboveAverage2Member_8382AEA02B45E57D6F7E855B5E90FA8D_documentation_en-US" xlink:label="lab_fnlc_AboveAverage2Member_405D9D4EB49A52C6BEA816F3D11766C3" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Credit quality indicators that are developed and used internally by the company-level 2.</link:label>
    <link:loc xlink:href="fnlc-20170930.xsd#fnlc_AboveAverage2Member" xlink:label="loc_fnlc_AboveAverage2Member_405D9D4EB49A52C6BEA816F3D11766C3" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_fnlc_AboveAverage2Member_405D9D4EB49A52C6BEA816F3D11766C3" xlink:to="lab_fnlc_AboveAverage2Member_405D9D4EB49A52C6BEA816F3D11766C3" xlink:type="arc" />
    <link:label id="lab_fnlc_Satisfactory3Member_0A971C2F91C6E0E12A9B855B5E9059A5_terseLabel_en-US" xlink:label="lab_fnlc_Satisfactory3Member_861E73AF4B6C53D49F1B58D82C204734" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">3 Satisfactory</link:label>
    <link:label id="lab_fnlc_Satisfactory3Member_0A971C2F91C6E0E12A9B855B5E9059A5_label_en-US" xlink:label="lab_fnlc_Satisfactory3Member_861E73AF4B6C53D49F1B58D82C204734" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Satisfactory 3 [Member]</link:label>
    <link:label id="lab_fnlc_Satisfactory3Member_0A971C2F91C6E0E12A9B855B5E9059A5_documentation_en-US" xlink:label="lab_fnlc_Satisfactory3Member_861E73AF4B6C53D49F1B58D82C204734" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Credit quality indicators that are developed and used internally by the company-level 3.</link:label>
    <link:loc xlink:href="fnlc-20170930.xsd#fnlc_Satisfactory3Member" xlink:label="loc_fnlc_Satisfactory3Member_861E73AF4B6C53D49F1B58D82C204734" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_fnlc_Satisfactory3Member_861E73AF4B6C53D49F1B58D82C204734" xlink:to="lab_fnlc_Satisfactory3Member_861E73AF4B6C53D49F1B58D82C204734" xlink:type="arc" />
    <link:label id="lab_fnlc_Average4Member_1815A18E0D1430C2A96C855B5E9003BB_terseLabel_en-US" xlink:label="lab_fnlc_Average4Member_8A650AE421325DF1BEF0F7032216C2D6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">4 Average</link:label>
    <link:label id="lab_fnlc_Average4Member_1815A18E0D1430C2A96C855B5E9003BB_label_en-US" xlink:label="lab_fnlc_Average4Member_8A650AE421325DF1BEF0F7032216C2D6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Average 4 [Member]</link:label>
    <link:label id="lab_fnlc_Average4Member_1815A18E0D1430C2A96C855B5E9003BB_documentation_en-US" xlink:label="lab_fnlc_Average4Member_8A650AE421325DF1BEF0F7032216C2D6" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Credit quality indicators that are developed and used internally by the company-level 4.</link:label>
    <link:loc xlink:href="fnlc-20170930.xsd#fnlc_Average4Member" xlink:label="loc_fnlc_Average4Member_8A650AE421325DF1BEF0F7032216C2D6" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_fnlc_Average4Member_8A650AE421325DF1BEF0F7032216C2D6" xlink:to="lab_fnlc_Average4Member_8A650AE421325DF1BEF0F7032216C2D6" xlink:type="arc" />
    <link:label id="lab_fnlc_Watch5Member_56FA4362408F0A6E2637855B5E901D11_terseLabel_en-US" xlink:label="lab_fnlc_Watch5Member_FD09E6DD704359308B280ED30673E58F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">5 Watch</link:label>
    <link:label id="lab_fnlc_Watch5Member_56FA4362408F0A6E2637855B5E901D11_label_en-US" xlink:label="lab_fnlc_Watch5Member_FD09E6DD704359308B280ED30673E58F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Watch 5 [Member]</link:label>
    <link:label id="lab_fnlc_Watch5Member_56FA4362408F0A6E2637855B5E901D11_documentation_en-US" xlink:label="lab_fnlc_Watch5Member_FD09E6DD704359308B280ED30673E58F" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Credit quality indicators that are developed and used internally by the company-level 5.</link:label>
    <link:loc xlink:href="fnlc-20170930.xsd#fnlc_Watch5Member" xlink:label="loc_fnlc_Watch5Member_FD09E6DD704359308B280ED30673E58F" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_fnlc_Watch5Member_FD09E6DD704359308B280ED30673E58F" xlink:to="lab_fnlc_Watch5Member_FD09E6DD704359308B280ED30673E58F" xlink:type="arc" />
    <link:label id="lab_fnlc_Oaem6Member_AC67F8D14620FB77EF62855B5E901EAE_terseLabel_en-US" xlink:label="lab_fnlc_Oaem6Member_BF520D1A0B755439911E8EBE18A58014" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">6 OAEM</link:label>
    <link:label id="lab_fnlc_Oaem6Member_AC67F8D14620FB77EF62855B5E901EAE_label_en-US" xlink:label="lab_fnlc_Oaem6Member_BF520D1A0B755439911E8EBE18A58014" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">OAEM 6 [Member]</link:label>
    <link:label id="lab_fnlc_Oaem6Member_AC67F8D14620FB77EF62855B5E901EAE_documentation_en-US" xlink:label="lab_fnlc_Oaem6Member_BF520D1A0B755439911E8EBE18A58014" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Credit quality indicators that are developed and used internally by the company-level 6.</link:label>
    <link:loc xlink:href="fnlc-20170930.xsd#fnlc_Oaem6Member" xlink:label="loc_fnlc_Oaem6Member_BF520D1A0B755439911E8EBE18A58014" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_fnlc_Oaem6Member_BF520D1A0B755439911E8EBE18A58014" xlink:to="lab_fnlc_Oaem6Member_BF520D1A0B755439911E8EBE18A58014" xlink:type="arc" />
    <link:label id="lab_us-gaap_SubstandardMember_4322BD40988A189C2FC0855B5E90EEC7_terseLabel_en-US" xlink:label="lab_us-gaap_SubstandardMember_0A0C77D3AE255148A16A23E62642F1F9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">7 Substandard</link:label>
    <link:label id="lab_us-gaap_SubstandardMember_4322BD40988A189C2FC0855B5E90EEC7_label_en-US" xlink:label="lab_us-gaap_SubstandardMember_0A0C77D3AE255148A16A23E62642F1F9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Substandard [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SubstandardMember" xlink:label="loc_us-gaap_SubstandardMember_0A0C77D3AE255148A16A23E62642F1F9" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SubstandardMember_0A0C77D3AE255148A16A23E62642F1F9" xlink:to="lab_us-gaap_SubstandardMember_0A0C77D3AE255148A16A23E62642F1F9" xlink:type="arc" />
    <link:label id="lab_us-gaap_DoubtfulMember_EAB76206DC36A5FE8177855B5E90EDB7_terseLabel_en-US" xlink:label="lab_us-gaap_DoubtfulMember_E20E3E400EE45B51892B03DFEA22CC31" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">8 Doubtful</link:label>
    <link:label id="lab_us-gaap_DoubtfulMember_EAB76206DC36A5FE8177855B5E90EDB7_label_en-US" xlink:label="lab_us-gaap_DoubtfulMember_E20E3E400EE45B51892B03DFEA22CC31" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Doubtful [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DoubtfulMember" xlink:label="loc_us-gaap_DoubtfulMember_E20E3E400EE45B51892B03DFEA22CC31" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DoubtfulMember_E20E3E400EE45B51892B03DFEA22CC31" xlink:to="lab_us-gaap_DoubtfulMember_E20E3E400EE45B51892B03DFEA22CC31" xlink:type="arc" />
    <link:label id="lab_fnlc_CommercialAndMunicipalRiskRatedLoansReceivable_6DA77C9BC137FE672A54855B5E91BC84_verboseLabel_en-US" xlink:label="lab_fnlc_CommercialAndMunicipalRiskRatedLoansReceivable_FE8DA3378CA45AB3AF784722486D6894" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Commercial and municipal risk-rated loans receivable</link:label>
    <link:label id="lab_fnlc_CommercialAndMunicipalRiskRatedLoansReceivable_6DA77C9BC137FE672A54855B5E91BC84_label_en-US" xlink:label="lab_fnlc_CommercialAndMunicipalRiskRatedLoansReceivable_FE8DA3378CA45AB3AF784722486D6894" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Commercial And Municipal Risk Rated Loans Receivable</link:label>
    <link:label id="lab_fnlc_CommercialAndMunicipalRiskRatedLoansReceivable_6DA77C9BC137FE672A54855B5E91BC84_documentation_en-US" xlink:label="lab_fnlc_CommercialAndMunicipalRiskRatedLoansReceivable_FE8DA3378CA45AB3AF784722486D6894" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Loans subject to review and validation annually by independent consulting firm as well internal credit review function.</link:label>
    <link:loc xlink:href="fnlc-20170930.xsd#fnlc_CommercialAndMunicipalRiskRatedLoansReceivable" xlink:label="loc_fnlc_CommercialAndMunicipalRiskRatedLoansReceivable_FE8DA3378CA45AB3AF784722486D6894" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_fnlc_CommercialAndMunicipalRiskRatedLoansReceivable_FE8DA3378CA45AB3AF784722486D6894" xlink:to="lab_fnlc_CommercialAndMunicipalRiskRatedLoansReceivable_FE8DA3378CA45AB3AF784722486D6894" xlink:type="arc" />
    <link:label id="lab_us-gaap_ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock_15B8BFE728A85373587A855B5E4FD7D9_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock_A2CF862EB6DB5FFAB0BE147FCA4A64C5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Accumulated Other Comprehensive Income (Loss)</link:label>
    <link:label id="lab_us-gaap_ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock_15B8BFE728A85373587A855B5E4FD7D9_label_en-US" xlink:label="lab_us-gaap_ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock_A2CF862EB6DB5FFAB0BE147FCA4A64C5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock" xlink:label="loc_us-gaap_ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock_A2CF862EB6DB5FFAB0BE147FCA4A64C5" xlink:type="locator" />
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    <link:label id="lab_us-gaap_EquitySecuritiesMember_81140ED9F734FD22BA8CF36FC9E3723A_terseLabel_en-US" xlink:label="lab_us-gaap_EquitySecuritiesMember_81140ED9F734FD22BA8CF36FC9E3723A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other equity securities</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_EquitySecuritiesMember" xlink:label="loc_us-gaap_EquitySecuritiesMember_81140ED9F734FD22BA8CF36FC9E3723A" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EquitySecuritiesMember_81140ED9F734FD22BA8CF36FC9E3723A" xlink:to="lab_us-gaap_EquitySecuritiesMember_81140ED9F734FD22BA8CF36FC9E3723A" xlink:type="arc" />
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    <link:label id="lab_us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue_93CF1DB2020D7315DC74F36FC9E3F715_label_en-US" xlink:label="lab_us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue_93CF1DB2020D7315DC74F36FC9E3F715" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue_93CF1DB2020D7315DC74F36FC9E3F715" xlink:type="locator" />
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss_55740F2D11B09CEAD49FF36FC9E35E97" xlink:type="locator" />
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue_517C0AF2EFF1A5ED783DF36FC9E371A3" xlink:type="locator" />
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    <link:label id="lab_fnlc_ReserveForQualitativeFactorsMember_A93EE73BB2329E29501A0163F6C61C8B_label_en-US" xlink:label="lab_fnlc_ReserveForQualitativeFactorsMember_A93EE73BB2329E29501A0163F6C61C8B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Reserve for Qualitative Factors [Member]</link:label>
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