<SUBMISSION>
<ACCESSION-NUMBER>0001091667-07-000019
<TYPE>4
<PUBLIC-DOCUMENT-COUNT>1
<PERIOD>20070228
<FILING-DATE>20070301
<DATE-OF-FILING-DATE-CHANGE>20070301
<REPORTING-OWNER>
<OWNER-DATA>
<CONFORMED-NAME>Ramsey Lynne F
<CIK>0001325502
</OWNER-DATA>
<FILING-VALUES>
<FORM-TYPE>4
<ACT>34
<FILE-NUMBER>000-27927
<FILM-NUMBER>07663596
</FILING-VALUES>
<BUSINESS-ADDRESS>
<PHONE>314-965-0555
</BUSINESS-ADDRESS>
<MAIL-ADDRESS>
<STREET1>12405 POWERSCOURT DRIVE
<CITY>ST. LOUIS
<STATE>MO
<ZIP>63131
</MAIL-ADDRESS>
</REPORTING-OWNER>
<ISSUER>
<COMPANY-DATA>
<CONFORMED-NAME>CHARTER COMMUNICATIONS INC /MO/
<CIK>0001091667
<ASSIGNED-SIC>4841
<IRS-NUMBER>431857213
<STATE-OF-INCORPORATION>DE
<FISCAL-YEAR-END>1231
</COMPANY-DATA>
<BUSINESS-ADDRESS>
<STREET1>12405 POWERSCOURT DRIVE
<STREET2>SUITE 100
<CITY>ST LOUIS
<STATE>MO
<ZIP>63131
<PHONE>3145435712
</BUSINESS-ADDRESS>
<MAIL-ADDRESS>
<STREET1>12405 POWERSCOURT DRIVE
<STREET2>SUITE 100
<CITY>ST LOUIS
<STATE>MO
<ZIP>63131
</MAIL-ADDRESS>
</ISSUER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2007-02-28</periodOfReport>

    <issuer>
        <issuerCik>0001091667</issuerCik>
        <issuerName>CHARTER COMMUNICATIONS INC /MO/</issuerName>
        <issuerTradingSymbol>CHTR</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001325502</rptOwnerCik>
            <rptOwnerName>Ramsey Lynne F</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O CHARTER COMMUNICATIONS, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>12405 POWERSCOURT DRIVE</rptOwnerStreet2>
            <rptOwnerCity>ST. LOUIS</rptOwnerCity>
            <rptOwnerState>MO</rptOwnerState>
            <rptOwnerZipCode>63131</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Senior Vice President - HR</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Class A Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2007-02-28</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>422</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>3.265</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>36682</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Previously reported restricted shares vested on February 25, 2007.  Sale pursuant to previous instructions given by the reporting person that authorizes the option plan administrator to automatically sell enough shares for the purpose of paying income taxes due upon vesting.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>Lynne F. Ramsey</signatureName>
        <signatureDate>2007-03-01</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SUBMISSION>
