<SUBMISSION>
<ACCESSION-NUMBER>0001091667-08-000006
<TYPE>4
<PUBLIC-DOCUMENT-COUNT>1
<PERIOD>20080227
<FILING-DATE>20080228
<DATE-OF-FILING-DATE-CHANGE>20080228
<ISSUER>
<COMPANY-DATA>
<CONFORMED-NAME>CHARTER COMMUNICATIONS INC /MO/
<CIK>0001091667
<ASSIGNED-SIC>4841
<IRS-NUMBER>431857213
<STATE-OF-INCORPORATION>DE
<FISCAL-YEAR-END>0807
</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>
<REPORTING-OWNER>
<OWNER-DATA>
<CONFORMED-NAME>Schmitz Eloise
<CIK>0001407933
</OWNER-DATA>
<FILING-VALUES>
<FORM-TYPE>4
<ACT>34
<FILE-NUMBER>001-33664
<FILM-NUMBER>08649039
</FILING-VALUES>
<BUSINESS-ADDRESS>
<PHONE>(314) 965-0555
</BUSINESS-ADDRESS>
<MAIL-ADDRESS>
<STREET1>12405 POWERSCOURT DRIVE
<CITY>SAINT LOUIS
<STATE>MO
<ZIP>63131
</MAIL-ADDRESS>
</REPORTING-OWNER>
<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>2008-02-27</periodOfReport>

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

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001407933</rptOwnerCik>
            <rptOwnerName>Schmitz Eloise</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>SVP - Strategic Planning</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Class A Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2008-02-27</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>234421</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <footnoteId id="F2"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>639892</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Grant of 234,421 shares of Performance Stock which will vest at the end of the Vesting Period on March 9, 2010.  One share of performance stock is equal to one share of Class A Common Stock.</footnote>
        <footnote id="F2">Grant of Performance Stock - Price Not Applicable.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Eloise E. Schmitz</signatureName>
        <signatureDate>2008-02-28</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SUBMISSION>
