-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
 MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen
 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 CQfwud29hovQmBdVOsuykDEM8k9rXT/OTSLhVqyafNrbRu9HueYPdl7NbpqUOhIP
 bMlsRMz0lWVlFAqYsoVTKA==

<SEC-DOCUMENT>0001285625-04-000005.txt : 20040402
<SEC-HEADER>0001285625-04-000005.hdr.sgml : 20040402
<ACCEPTANCE-DATETIME>20040402132437
ACCESSION NUMBER:		0001285625-04-000005
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20040325
FILED AS OF DATE:		20040402

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:			PAPPAS JAMES P
		CENTRAL INDEX KEY:			0001285625

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	811-07626
		FILM NUMBER:		04712750

	MAIL ADDRESS:	
		STREET 1:		PUTNAM LLC
		STREET 2:		ONE POST OFFICE SQ
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02109
</SEC-HEADER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>primary_doc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0201</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2004-03-25</periodOfReport>

    <noSecuritiesOwned>1</noSecuritiesOwned>

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

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001285625</rptOwnerCik>
            <rptOwnerName>PAPPAS JAMES P</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>PUTNAM LLC</rptOwnerStreet1>
            <rptOwnerStreet2>ONE POST OFFICE SQ</rptOwnerStreet2>
            <rptOwnerCity>BOSTON</rptOwnerCity>
            <rptOwnerState>MA</rptOwnerState>
            <rptOwnerZipCode>02109</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>1</isOther>
            <otherText>Managing Director, Putnam, LLC</otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <ownerSignature>
        <signatureName>James P. Pappas</signatureName>
        <signatureDate>2004-04-02</signatureDate>
    </ownerSignature>
</ownershipDocument>

</XML>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99
<SEQUENCE>4
<FILENAME>pappasconfirm.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/  James P. Pappas



</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----
