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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
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 FFwXS5Y203jBWaS1lXed0g==

<SEC-DOCUMENT>0000893816-05-000009.txt : 20050125
<SEC-HEADER>0000893816-05-000009.hdr.sgml : 20050125
<ACCEPTANCE-DATETIME>20050125182301
ACCESSION NUMBER:		0000893816-05-000009
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20050121
FILED AS OF DATE:		20050125
DATE AS OF CHANGE:		20050125

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			INFOCROSSING INC
		CENTRAL INDEX KEY:			0000893816
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-COMPUTER PROCESSING & DATA PREPARATION [7374]
		IRS NUMBER:				133252333
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		2 CHRISTIE HEIGHTS STREET
		CITY:			LEONIA
		STATE:			NJ
		ZIP:			07605
		BUSINESS PHONE:		2018404700

	MAIL ADDRESS:	
		STREET 1:		2 CHRISTIE HEIGHTS STREET
		CITY:			LEONIA
		STATE:			NJ
		ZIP:			07605

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	COMPUTER OUTSOURCING SERVICES INC
		DATE OF NAME CHANGE:	19930328

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			LONSTEIN ZACH
		CENTRAL INDEX KEY:			0000940526

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-20824
		FILM NUMBER:		05548064

	BUSINESS ADDRESS:	
		STREET 1:		360 WEST 31ST STREET
		STREET 2:		C/O COMPUTER OUTSOURCING SERVICES INC
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10001
		BUSINESS PHONE:		2018404710

	MAIL ADDRESS:	
		STREET 1:		C/O INFOCROSSING, INC
		STREET 2:		2 CHRISTIE HEIGHTS ST
		CITY:			LEONIA
		STATE:			NJ
		ZIP:			07605
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>primary_doc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2005-01-21</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000893816</issuerCik>
        <issuerName>INFOCROSSING INC</issuerName>
        <issuerTradingSymbol>IFOX</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0000940526</rptOwnerCik>
            <rptOwnerName>LONSTEIN ZACH</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O INFOCROSSING, INC</rptOwnerStreet1>
            <rptOwnerStreet2>2 CHRISTIE HEIGHTS ST</rptOwnerStreet2>
            <rptOwnerCity>LEONIA</rptOwnerCity>
            <rptOwnerState>NJ</rptOwnerState>
            <rptOwnerZipCode>07605</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Chairman &amp; CEO</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Option to purchase Infocrossing common stock</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>25</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2005-01-21</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>G</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>750000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <value>2005-01-21</value>
            </exerciseDate>
            <expirationDate>
                <value>2008-05-11</value>
                <footnoteId id="F1"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Infocrossing Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>750000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>1456691</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">Option could expire as early as May 7, 2007 under certain circumstances.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>ZACH LONSTEIN</signatureName>
        <signatureDate>2005-01-25</signatureDate>
    </ownerSignature>
</ownershipDocument>

</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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