<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2004-09-30</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000101830</issuerCik>
        <issuerName>SPRINT CORP</issuerName>
        <issuerTradingSymbol>FON</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001113487</rptOwnerCik>
            <rptOwnerName>HOCKADAY IRVINE O JR</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>HALLMARK CARDS, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>P.O. BOX 419580</rptOwnerStreet2>
            <rptOwnerCity>KANSAS CITY</rptOwnerCity>
            <rptOwnerState>MO</rptOwnerState>
            <rptOwnerZipCode>64141-6580</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Share Units</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <footnoteId id="F1"/>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2004-09-30</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>1992</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>20.2</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F1"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F1"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>FON Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>1992</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>9856</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>by Rabbi Trust</value>
                </natureOfOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">Shares issued under Section 11 of Sprint's 1997 Long-term Stock Incentive Program.  Section 11 permits non-employee directors of Sprint to elect to purchase shares of Sprint FON common stock in lieu of receiving all or part of their annual retainer, meeting fees, and committee meeting fees in cash.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>By: Claudia S Toussaint  For: Irvine O. Hockaday, Jr.</signatureName>
        <signatureDate>2004-10-04</signatureDate>
    </ownerSignature>
</ownershipDocument>
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X0202
4
2004-09-30
0
0000101830
SPRINT CORP
FON
0001113487
HOCKADAY IRVINE O JR
HALLMARK CARDS, INC.
P.O. BOX 419580
KANSAS CITY
MO
64141-6580
1
0
0
0
Share Units
2004-09-30
4
A
0
1992
20.2
A
FON Common Stock
1992
9856
I
by Rabbi Trust
Shares issued under Section 11 of Sprint's 1997 Long-term Stock Incentive Program.  Section 11 permits non-employee directors of Sprint to elect to purchase shares of Sprint FON common stock in lieu of receiving all or part of their annual retainer, meeting fees, and committee meeting fees in cash.
By: Claudia S Toussaint  For: Irvine O. Hockaday, Jr.
2004-10-04