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

    <schemaVersion>X0201</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2003-12-17</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

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

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001205004</rptOwnerCik>
            <rptOwnerName>STORCH GERALD L</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>TARGET CORPORATION</rptOwnerStreet1>
            <rptOwnerStreet2>1000 NICOLLET MALL</rptOwnerStreet2>
            <rptOwnerCity>MINNEAPOLIS</rptOwnerCity>
            <rptOwnerState>MN</rptOwnerState>
            <rptOwnerZipCode>55403</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>
                <footnoteId id="F1"/>
            </securityTitle>
            <conversionOrExercisePrice>
                <footnoteId id="F1"/>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2003-12-17</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>7600</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>15.215</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F2"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F1"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>FON Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>7600</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>7600</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>

    </derivativeTable>

    <footnotes>
        <footnote id="F1">Share units are issued under the Issuer's Directors' Deferred Fee Plan (the &quot;Plan&quot;) and are convertible into an amount of cash equal to the value of the Issuer's FON common stock upon the reporting person's retirement, death, or termination of office in accordance with the terms of the Plan.</footnote>
        <footnote id="F2">These share units vest 50% on the 5th anniversary of the award; and 10% per year on each of the five subsequent anniversaries.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>By: Claudia S Toussaint  For: Gerald L Storch</signatureName>
        <signatureDate>2003-12-18</signatureDate>
    </ownerSignature>

</ownershipDocument>
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X0201
4
2003-12-17
0
0000101830
SPRINT CORP
FON
0001205004
STORCH GERALD L
TARGET CORPORATION
1000 NICOLLET MALL
MINNEAPOLIS
MN
55403
1
0
0
0
Share Units
2003-12-17
4
A
0
7600
15.215
A
FON Common Stock
7600
7600
D
Share units are issued under the Issuer's Directors' Deferred Fee Plan (the "Plan") and are convertible into an amount of cash equal to the value of the Issuer's FON common stock upon the reporting person's retirement, death, or termination of office in accordance with the terms of the Plan.
These share units vest 50% on the 5th anniversary of the award; and 10% per year on each of the five subsequent anniversaries.
By: Claudia S Toussaint  For: Gerald L Storch
2003-12-18