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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
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 BDWgLiDyTrOPfeqxWhLAwA==

<SEC-DOCUMENT>0001182563-06-000001.txt : 20060309
<SEC-HEADER>0001182563-06-000001.hdr.sgml : 20060309
<ACCEPTANCE-DATETIME>20060309183953
ACCESSION NUMBER:		0001182563-06-000001
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20060124
FILED AS OF DATE:		20060309
DATE AS OF CHANGE:		20060309

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			FIRST BANCORP /PR/
		CENTRAL INDEX KEY:			0001057706
		STANDARD INDUSTRIAL CLASSIFICATION:	STATE COMMERCIAL BANKS [6022]
		IRS NUMBER:				660561882
		STATE OF INCORPORATION:			PR
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		1519 PONCE DE LEON AVE
		STREET 2:		SANTUREE
		CITY:			SAN JUAN
		STATE:			PR
		ZIP:			00908
		BUSINESS PHONE:		7877298200

	MAIL ADDRESS:	
		STREET 1:		1519 PONCE DE LEON AVE
		CITY:			SAN JUAN
		STATE:			PR
		ZIP:			00908

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			RIVERA RANDOLFO
		CENTRAL INDEX KEY:			0001182563

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-14793
		FILM NUMBER:		06677185

	BUSINESS ADDRESS:	
		STREET 1:		P.O. BOX 9146
		CITY:			SAN JUAN
		STATE:			PR
		ZIP:			00908-0146
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>primary_doc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2006-01-24</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001057706</issuerCik>
        <issuerName>FIRST BANCORP /PR/</issuerName>
        <issuerTradingSymbol>fbp</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001182563</rptOwnerCik>
            <rptOwnerName>RIVERA RANDOLFO</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1></rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity></rptOwnerCity>
            <rptOwnerState></rptOwnerState>
            <rptOwnerZipCode></rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Executive Vice President</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Option to buy</value>
                <footnoteId id="F1"/>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>12.68</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2006-01-24</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>75000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>12.68</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <value>2006-01-24</value>
            </exerciseDate>
            <expirationDate>
                <value>2016-01-24</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>75000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>427110</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">Under employee stock option plan</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/Randolfo Rivera</signatureName>
        <signatureDate>2006-03-08</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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