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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
 RNcAXj90CCeFK7n+YGVWIdMT5KSx5bIUwQNeGCao6NYrXRiGC/LePwKchwuH82ma
 u98KbXbpeXAm7lSSug8XCg==

<SEC-DOCUMENT>0001198272-03-000030.txt : 20030626
<SEC-HEADER>0001198272-03-000030.hdr.sgml : 20030626
<ACCEPTANCE-DATETIME>20030626135031
ACCESSION NUMBER:		0001198272-03-000030
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20030611
FILED AS OF DATE:		20030626

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			PUTNAM MUNICIPAL OPPORTUNITIES TRUST
		CENTRAL INDEX KEY:			0000900422
		STANDARD INDUSTRIAL CLASSIFICATION:	UNKNOWN SIC - 0000 [0000]
		IRS NUMBER:				043187549
		STATE OF INCORPORATION:			MA
		FISCAL YEAR END:			1031

	BUSINESS ADDRESS:	
		STREET 1:		ONE POST OFFICE SQUARE
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02109
		BUSINESS PHONE:		6172921000

	MAIL ADDRESS:	
		STREET 1:		ONE POST OFFICE SQUARE
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02109

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			HILL JOHN A
		CENTRAL INDEX KEY:			0000903969

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	811-07626
		FILM NUMBER:		03758266

	BUSINESS ADDRESS:	
		STREET 1:		C/O DEVON ENERGY CORPORATION
		STREET 2:		20 N. BROADWAY
		CITY:			OKLAHOMA CITY
		STATE:			OK
		ZIP:			73102
		BUSINESS PHONE:		405-235-3611

	MAIL ADDRESS:	
		STREET 1:		C/O FIRST RESERVE CORP
		STREET 2:		411 W PUTNAM AVE
		CITY:			GREENWICH
		STATE:			CT
		ZIP:			06830
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>primary_doc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>

<ownershipDocument>

    <documentType>4</documentType>

    <periodOfReport>2003-06-11</periodOfReport>


    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000900422</issuerCik>
        <issuerName>PUTNAM MUNICIPAL OPPORTUNITIES TRUST</issuerName>
        <issuerTradingSymbol>pmo</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0000903969</rptOwnerCik>
            <rptOwnerName>HILL JOHN A</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>  </rptOwnerStreet1>
            <rptOwnerStreet2>  </rptOwnerStreet2>
            <rptOwnerCity>  </rptOwnerCity>
            <rptOwnerState>  </rptOwnerState>
            <rptOwnerZipCode>  </rptOwnerZipCode>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeSecurity>
        <securityTitle>
            <value>Closed-End Fund</value>
        </securityTitle>
        <transactionDate>
            <value>2003-06-11</value>
        </transactionDate>
        <transactionCoding>
            <transactionFormType>4</transactionFormType>
            <transactionCode>S</transactionCode>
            <equitySwapInvolved>0</equitySwapInvolved>
        </transactionCoding>
        <transactionTimeliness>
            <value></value>
        </transactionTimeliness>
        <transactionAmounts>
            <transactionShares>
                <value>100</value>
            </transactionShares>
            <transactionValue>
                <value>13.31</value>
            </transactionValue>
            <transactionAcquiredDisposedCode>
                <value>D</value>
            </transactionAcquiredDisposedCode>
        </transactionAmounts>
        <postTransactionAmounts>
            <sharesOwnedFollowingTransaction>
                <value>100</value>
            </sharesOwnedFollowingTransaction>
        </postTransactionAmounts>
        <ownershipNature>
            <directOrIndirectOwnership>
                <value>D</value>
            </directOrIndirectOwnership>
        </ownershipNature>
    </nonDerivativeSecurity>


    <ownerSignature>
        <signatureName>John A. Hill</signatureName>
        <signatureDate>2003-06-26</signatureDate>
    </ownerSignature>

</ownershipDocument>

</XML>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99
<SEQUENCE>4
<FILENAME>confirmhill.txt
<DESCRIPTION>CONFIRMING STATEMENT
<TEXT>
Confirming Statement

I, as Reporting Person of Putnam Investment Management, LLC and/or
Putnam, LLC, the Issuer's Investment Adviser and Indirect Parent
Holding Company, respectively, hereby authorize and designate each and
every Managing Director, Senior Vice President and Vice President in
the Putnam Investments Legal and Compliance Department to file SEC
Exchange Act Forms 3, 4 or 5 on my behalf until further notice in
electronic format pursuant to Rule 101(b)(4) of Regulation S-T.

- ---------------------------

/s/  John A. Hill



</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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