<SUBMISSION>
<ACCESSION-NUMBER>0001091667-07-000135
<TYPE>4
<PUBLIC-DOCUMENT-COUNT>1
<PERIOD>20070724
<FILING-DATE>20070726
<DATE-OF-FILING-DATE-CHANGE>20070726
<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>
<REPORTING-OWNER>
<OWNER-DATA>
<CONFORMED-NAME>TRUSTDORF PAULA
<CIK>0001268187
</OWNER-DATA>
<FILING-VALUES>
<FORM-TYPE>4
<ACT>34
<FILE-NUMBER>000-27927
<FILM-NUMBER>071003099
</FILING-VALUES>
<MAIL-ADDRESS>
<STREET1>675 PETER JEFFERSON PARKWAY
<CITY>CHARLOTTSVILLE
<STATE>VA
<ZIP>22911
</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>2007-07-24</periodOfReport>

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

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001268187</rptOwnerCik>
            <rptOwnerName>TRUSTDORF PAULA</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>Divisional President - West</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Stock Options</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>4.56</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2007-07-24</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>97100</value>
                    <footnoteId id="F2"/>
                </transactionShares>
                <transactionPricePerShare>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <value>2008-07-24</value>
            </exerciseDate>
            <expirationDate>
                <value>2017-07-24</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Class A Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>97100</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>97100</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">Stock Option Grant - Price Not Applicable.</footnote>
        <footnote id="F2">Grant under the Charter Communications, Inc. 2001 Stock Incentive Plan, 25% of the aggregate grant vest at the end of each of the first four years, such options terminate 10 years from date of grant unless terminated sooner in accordance with the plan or agreement.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Paula Trustdorf</signatureName>
        <signatureDate>2007-07-26</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SUBMISSION>
