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

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2005-03-31</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>2600 GRAND AVENUE - SUITE 450</rptOwnerStreet2>
            <rptOwnerCity>KANSAS CITY</rptOwnerCity>
            <rptOwnerState>MO</rptOwnerState>
            <rptOwnerZipCode>64108</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>2005-03-31</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>2037</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>22.71</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>2037</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>40469</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: Irvine Hockaday Jr</signatureName>
        <signatureDate>2005-04-04</signatureDate>
    </ownerSignature>
</ownershipDocument>
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X0202
4
2005-03-31
0
0000101830
SPRINT CORP
FON
0001113487
HOCKADAY IRVINE O JR
HALLMARK CARDS, INC.
2600 GRAND AVENUE - SUITE 450
KANSAS CITY
MO
64108
1
0
0
0
Share Units
2005-03-31
4
A
0
2037
22.71
A
FON Common Stock
2037
40469
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: Irvine Hockaday Jr
2005-04-04