-----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,
 Q3gPWee2pTZF5KSHAQnS9NeVNTy8qPzqNkLw5R6Ibyq+VaPpLuOHJr8eZukafJky
 aNpLPwAUUDqddmEYWeHc7Q==

<SEC-DOCUMENT>0000904454-04-000787.txt : 20041216
<SEC-HEADER>0000904454-04-000787.hdr.sgml : 20041216
<ACCEPTANCE-DATETIME>20041216163424
ACCESSION NUMBER:		0000904454-04-000787
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20041209
FILED AS OF DATE:		20041216
DATE AS OF CHANGE:		20041216

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			SAVVIS COMMUNICATIONS CORP
		CENTRAL INDEX KEY:			0001058444
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-BUSINESS SERVICES, NEC [7389]
		IRS NUMBER:				431809960
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		1 SAVVIS PARKWAY
		CITY:			TOWN & COUNTRY
		STATE:			MO
		ZIP:			63017
		BUSINESS PHONE:		314-638-7000

	MAIL ADDRESS:	
		STREET 1:		1 SAVVIS PARKWAY
		CITY:			TOWN & COUNTRY
		STATE:			MO
		ZIP:			63017

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	SAVVIS HOLDINGS CORP
		DATE OF NAME CHANGE:	19991020

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			WELSH CARSON ANDERSON STOWE VIII LP
		CENTRAL INDEX KEY:			0001071870
		STATE OF INCORPORATION:			DE

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-29375
		FILM NUMBER:		041208661

	BUSINESS ADDRESS:	
		STREET 1:		320 PARK AVENUE
		STREET 2:		SUITE 2500
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10022
		BUSINESS PHONE:		2128415755

	MAIL ADDRESS:	
		STREET 1:		320 PARK AVENUE
		STREET 2:		SUITE 2500
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10022
</SEC-HEADER>
<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>2004-12-09</periodOfReport>

    <issuer>
        <issuerCik>0001058444</issuerCik>
        <issuerName>SAVVIS COMMUNICATIONS CORP</issuerName>
        <issuerTradingSymbol>SVVS</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001071870</rptOwnerCik>
            <rptOwnerName>WELSH CARSON ANDERSON STOWE VIII LP</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O WELSH, CARSON, ANDERSON &amp; STOWE</rptOwnerStreet1>
            <rptOwnerStreet2>320 PARK AVENUE, SUITE 2500</rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10022</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Series B Convertible Preferred Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2004-12-09</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>C</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>3190648</value>
                </transactionShares>
                <transactionPricePerShare>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>0</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2004-12-09</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>C</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>31906480</value>
                </transactionShares>
                <transactionPricePerShare>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>38156480</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Each share of Series B Convertible Preferred Stock was to automatically convert into 10 shares of Common Stock only upon the later to occur of the following contingencies (i) shareholder approval or (ii) approval under the Hart-Scott-Rodino Antitrust IMprovements Act of 1976, as amended, for no additional consideration.  Shareholder approval was obtained on December 9, 2004.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>Jonathan M. Rather, Managing Member of WCAS VIII Associates, LLC, General Partner of Welsh, Carson, Anderson &amp; Stowe VIII, L.P.</signatureName>
        <signatureDate>2004-12-16</signatureDate>
    </ownerSignature>
</ownershipDocument>

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