-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
 MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen
 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 SfN+MjNP1eFom94Egc2Liq3S/5uHLii5TdPtnLV9/N+VV4YOH4AxNXSK6Wh1lgUL
 BEYb9mzKKz4YJDNeWbRJaA==

<SEC-DOCUMENT>0000030419-10-000008.txt : 20100630
<SEC-HEADER>0000030419-10-000008.hdr.sgml : 20100630
<ACCEPTANCE-DATETIME>20100630155021
ACCESSION NUMBER:		0000030419-10-000008
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20100629
FILED AS OF DATE:		20100630
DATE AS OF CHANGE:		20100630

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			BLONDY STEVEN M
		CENTRAL INDEX KEY:			0001221207

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-07155
		FILM NUMBER:		10927245

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
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgardoc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0303</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2010-06-29</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

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

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001221207</rptOwnerCik>
            <rptOwnerName>BLONDY STEVEN M</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>1001 WINSTEAD DR</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>CARY</rptOwnerCity>
            <rptOwnerState>NC</rptOwnerState>
            <rptOwnerZipCode>27513</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>EVP &amp; Chief Financial Officer</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2010-06-29</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>1000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>20</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>1000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <ownerSignature>
        <signatureName>/s/ Mark W. Hianik, attorney-in-fact</signatureName>
        <signatureDate>2010-06-30</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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