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

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2004-12-31</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

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

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001282881</rptOwnerCik>
            <rptOwnerName>HENRETTA DEBORAH A</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>THE PROCTER &amp; GAMBLE COMPANY</rptOwnerStreet1>
            <rptOwnerStreet2>1 PROCTER &amp; GAMBLE PLAZA</rptOwnerStreet2>
            <rptOwnerCity>CINCINNATI</rptOwnerCity>
            <rptOwnerState>OH</rptOwnerState>
            <rptOwnerZipCode>45201</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>2004-12-31</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>1044</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>24.91</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>1044</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>2450</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: Michael T. Hyde  For: Deborah A. Henretta</signatureName>
        <signatureDate>2005-01-03</signatureDate>
    </ownerSignature>
</ownershipDocument>
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X0202
4
2004-12-31
0
0000101830
SPRINT CORP
FON
0001282881
HENRETTA DEBORAH A
THE PROCTER & GAMBLE COMPANY
1 PROCTER & GAMBLE PLAZA
CINCINNATI
OH
45201
1
0
0
0
Share Units
2004-12-31
4
A
0
1044
24.91
A
FON Common Stock
1044
2450
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: Michael T. Hyde  For: Deborah A. Henretta
2005-01-03