**Exhibit 10.10.1**     FIRST AMENDMENT dated as of March 5, 2007 (this “Amendment”) to the Credit Agreementdated as of November 17, 2006 (as amended, supplemented or otherwise modified from time to time,the “Credit Agreement”), among IDEARC INC. (the “Borrower”), the lenders from timeto time party thereto (the “Lenders”) and JPMORGAN CHASE BANK, N.A., as collateral agentand administrative agent for the Lenders (in such capacity, the “Administrative Agent”).     WHEREAS, the Borrower, the Administrative Agent and each of the Lenders have agreed, on theterms and subject to the conditions set forth herein, to amend the Credit Agreement in the mannerset forth herein.     NOW, THEREFORE, in consideration of the above premises and other good and valuableconsideration, the receipt and sufficiency of which are hereby acknowledged, the parties heretohereby agree as follows:     SECTION 1. Defined Terms. Each capitalized term used and not defined herein shall havethe meaning assigned to it in the Credit Agreement (as amended hereby).     SECTION 2. Amendment to the Credit Agreement. Effective as of the First AmendmentEffective Date (as defined below), Section 5.13 of the Credit Agreement is hereby amended byreplacing the number “120” with the number “210”.     SECTION 3. Representations and Warranties. The Borrower hereby represents and warrantsto the Administrative Agent and the Lenders that as of the First Amendment Effective Date and aftergiving effect hereto:     (a) This Amendment has been duly authorized, executed and delivered by the Borrower, and eachof this Amendment and the Credit Agreement (as amended hereby) constitutes a legal, valid andbinding obligation of the Borrower, enforceable against the Borrower in accordance with its terms,subject to applicable bankruptcy, insolvency, reorganization, moratorium or other laws affectingcreditors’ rights generally and subject to general principles of equity, regardless of whetherconsidered in a proceeding in equity or at law.     (b) No Default or Event of Default has occurred and is continuing.     (c) All representations and warranties of each Loan Party contained in the Loan Documents (asamended hereby) are true and correct in all material respects on and as of the First AmendmentEffective Date (except with respect to representations and warranties expressly made only as of anearlier date, in which case such representations and warranties were true and correct in allmaterial respects as of such earlier date).     SECTION 4. Effectiveness. The amendment contemplated by Section 2 shall becomeeffective as of the first date (the “First Amendment Effective Date”) on which:     (a) The Administrative Agent shall have received counterparts of this Amendment that, whentaken together, bear the signatures of the Borrower and the Required Lenders.
 

 
     (b) The Administrative Agent shall have received payment of all reasonable fees andout-of-pocket expenses, to the extent invoiced, to be paid or reimbursed to it by the Borrowerpursuant to the Credit Agreement, including those referred to in Section 6 hereof.     The Administrative Agent shall notify the Borrower and the Lenders of the First Amendment EffectiveDate and such notice shall be conclusive and binding.     SECTION 5. Effect of Amendment. (a) This Amendment shall apply and be effective onlywith respect to the provisions of the Credit Agreement specifically referred to herein. ThisAmendment shall constitute a Loan Document.     (b) On and after the First Amendment Effective Date, each reference in the Credit Agreement to“this Agreement”, “hereunder”, “hereof”, “herein” or words of like import, and each reference tothe Credit Agreement in any other Loan Document shall be deemed a reference to the Credit Agreement(as amended hereby).     SECTION 6. Expenses. The Borrower agrees to reimburse the Administrative Agent for itsreasonable out-of-pocket expenses in connection with this Amendment, including the reasonable fees,charges and disbursements of outside counsel for the Administrative Agent.     SECTION 7. Governing Law; Counterparts. (a) This Amendment and the rights andobligations of the parties hereto shall be governed by, and construed and interpreted in accordancewith, the laws of the State of New York.     (b) This Amendment may be executed in any number of counterparts and by different partieshereto in separate counterparts, and all such counterparts together shall constitute one and thesame instrument. Delivery of any executed counterpart of a signature page to this Amendment byfacsimile transmission or other electronic imaging means shall be as effective as delivery of amanually executed counterpart hereof.     SECTION 8. Headings. The headings of this Amendment are for purposes of reference onlyand shall not limit or otherwise affect the meaning hereof.
 

 
     IN WITNESS WHEREOF, the parties hereto have cause this First Amendment to be duly executed anddelivered by their duly authorized officers as of the day and year first above written.      IDEARC INC.