POWER OF ATTORNEY

KNOW ALL MEN BY THESE PRESENTS, that the undersigned constitutes and appoints Steven M. Blondy, Mark W. Hianik and Gretchen Zech, and each of them, my true and lawful attorneys-in-fact and agents, with full power of substitution and resubstitution, to do any and all acts and things and execute, in the name of the undersigned, any and all instruments which said attorneys-in-fact and agents may deem necessary or advisable in order to enable Dex One Corporation, a Delaware corporation (the “Company”) to assist the undersigned in satisfying his obligations under Section 16 of the Securities Exchange Act and rules and regulations promulgated thereunder, including filing with the Securities and Exchange Commission of an application on Form ID, and filing with the Securities and Exchange Commission of Forms 3, 4 and/or 5 under Section 16, including specifically but without limitation, power and authority to sign the name of the undersigned to such documents, and any amendments and supplements thereto, and to file the same with all exhibits thereto and other documents in connection therewith, with the Securities and Exchange Commission, granting unto said attorneys-in-fact and agents, and each of them, full power and authority to do and to perform each and every act and thing requisite or necessary to be done in and about the premises, as fully and to all intents and purposes as the undersigned might or could do in person, hereby ratifying and confirming all that said attorneys-in-fact and agents, and any of them, or their substitutes, may lawfully do or cause to be done by virtue hereof.


/s/ Tyler D. Gronbach		1/30/2010

Signature		Date

Tyler D. Gronbach
Print Name

Gronbach Tyler D 4