-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
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<SEC-DOCUMENT>0001209191-10-006325.txt : 20100202
<SEC-HEADER>0001209191-10-006325.hdr.sgml : 20100202
<ACCEPTANCE-DATETIME>20100202205721
ACCESSION NUMBER:		0001209191-10-006325
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20100129
FILED AS OF DATE:		20100202
DATE AS OF CHANGE:		20100202

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			DEX ONE Corp
		CENTRAL INDEX KEY:			0000030419
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-ADVERTISING [7310]
		IRS NUMBER:				132740040
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		1001 WINSTEAD DRIVE
		CITY:			CARY
		STATE:			NC
		ZIP:			27513
		BUSINESS PHONE:		9198046000

	MAIL ADDRESS:	
		STREET 1:		1001 WINSTEAD DRIVE
		CITY:			CARY
		STATE:			NC
		ZIP:			27513

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	R H DONNELLEY CORP
		DATE OF NAME CHANGE:	19980716

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	DUN & BRADSTREET CORP
		DATE OF NAME CHANGE:	19920703

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	DUN & BRADSTREET COMPANIES INC
		DATE OF NAME CHANGE:	19790429

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			WILLIAMS BARRY LAWSON
		CENTRAL INDEX KEY:			0001035242

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-07155
		FILM NUMBER:		10568687

	MAIL ADDRESS:	
		STREET 1:		SLM CORPORATION
		STREET 2:		12061 BLUEMONT WAY
		CITY:			RESTON
		STATE:			VA
		ZIP:			20190
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>c95432_4x0.xml
<DESCRIPTION>MAIN DOCUMENT DESCRIPTION
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0303</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2010-01-29</periodOfReport>

    <notSubjectToSection16>1</notSubjectToSection16>

    <issuer>
        <issuerCik>0000030419</issuerCik>
        <issuerName>DEX ONE Corp</issuerName>
        <issuerTradingSymbol>RHDC</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001035242</rptOwnerCik>
            <rptOwnerName>WILLIAMS BARRY LAWSON</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>DEX ONE CORPORATION</rptOwnerStreet1>
            <rptOwnerStreet2>1001 WINSTEAD DRIVE</rptOwnerStreet2>
            <rptOwnerCity>CARY</rptOwnerCity>
            <rptOwnerState>NC</rptOwnerState>
            <rptOwnerZipCode>27513</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2010-01-29</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>J</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
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            <transactionAmounts>
                <transactionShares>
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                </transactionShares>
                <transactionPricePerShare>
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                <transactionAcquiredDisposedCode>
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    <derivativeTable>
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                <underlyingSecurityTitle>
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                <underlyingSecurityShares>
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            </underlyingSecurity>
            <postTransactionAmounts>
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        <derivativeTransaction>
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            <conversionOrExercisePrice>
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            <transactionDate>
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            <underlyingSecurity>
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        <derivativeTransaction>
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            <conversionOrExercisePrice>
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            </conversionOrExercisePrice>
            <transactionDate>
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            <expirationDate>
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            <underlyingSecurity>
                <underlyingSecurityTitle>
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                </underlyingSecurityTitle>
                <underlyingSecurityShares>
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                </underlyingSecurityShares>
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                <sharesOwnedFollowingTransaction>
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        <derivativeTransaction>
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            <conversionOrExercisePrice>
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                <transactionPricePerShare>
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                <underlyingSecurityTitle>
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        <derivativeTransaction>
            <securityTitle>
                <value>Non-Qualified Stock Options</value>
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            <conversionOrExercisePrice>
                <value>80.67</value>
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                <value>2010-01-29</value>
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                <transactionFormType>4</transactionFormType>
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                <transactionShares>
                    <value>1500</value>
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                <transactionPricePerShare>
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                <sharesOwnedFollowingTransaction>
                    <value>0</value>
                </sharesOwnedFollowingTransaction>
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                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
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        <derivativeTransaction>
            <securityTitle>
                <value>Non-Qualified Stock Options</value>
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                <value>6.89</value>
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                <value>2010-01-29</value>
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                <transactionFormType>4</transactionFormType>
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                <transactionShares>
                    <value>1500</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.00</value>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
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                <footnoteId id="F1"/>
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            <expirationDate>
                <footnoteId id="F1"/>
            </expirationDate>
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                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
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                    <value>1500</value>
                </underlyingSecurityShares>
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                <sharesOwnedFollowingTransaction>
                    <value>0</value>
                </sharesOwnedFollowingTransaction>
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    </derivativeTable>

    <footnotes>
        <footnote id="F1">Pursuant to the Joint Plan of Reorganization of the issuer and its subsidiaries, which was approved by the United States Bankruptcy Court for the District of Delaware, each share of the issuer's common stock and all preferred interests or other instruments evidencing an ownership interest in the issuer outstanding prior to the date of the issuer's emergence from bankruptcy were cancelled effective as of January 29, 2010.  Also on January 29, 2010, R.H. Donnelley Corporation changed its name to Dex One Corporation.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Barry Lawson Williams</signatureName>
        <signatureDate>2010-02-02</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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