Exhibit 31.2**CERTIFICATION**I, Steven M. Blondy, certify that: 1. I have reviewed this annual report on Form 10-K of R.H. Donnelley Corporation;  2. Based on my knowledge, this report does not contain any untrue statement of amaterial fact or omit to state a material fact necessary to make the statements made,in light of the circumstances under which such statements were made, not misleadingwith respect to the period covered by this report;  3. Based on my knowledge, the financial statements, and other financialinformation included in this report, fairly present in all material respects thefinancial condition, results of operations and cash flows of the registrant as of, andfor, the periods presented in this report;  4. The registrant’s other certifying officer and I are responsible forestablishing and maintaining disclosure controls and procedures (as defined in ExchangeAct Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (asdefined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and we have: a) Designed such disclosure controls andprocedures, or caused such disclosure controls and procedures to bedesigned under our supervision, to ensure that material informationrelating to the registrant, including its consolidated subsidiaries,is made known to us by others within those entities, particularlyduring the period in which this report is being prepared;  b) Designed such internal control over financialreporting, or caused such internal control over financial reporting tobe designed under our supervision, to provide reasonable assuranceregarding the reliability of financial reporting and the preparationof financial statements for external purposes in accordance withgenerally accepted accounting principles;  c) Evaluated the effectiveness of theregistrant’s disclosure controls and procedures and presented in thisreport our conclusions about the effectiveness of the disclosurecontrols and procedures, as of the end of the period covered by thisreport based on such evaluation; and  d) Disclosed in this report any change in theregistrant’s internal control over financial reporting that occurredduring the registrant’s most recent fiscal quarter (the registrant’sfourth fiscal quarter in the case of an annual report) that hasmaterially affected, or is reasonably likely to materially affect, theregistrant’s internal control over financial reporting; and 5. The registrant’s other certifying officer and I have disclosed, based on ourmost recent evaluation of internal control over financial reporting, to theregistrant’s auditors and the audit committee of the registrant’s board of directors(or persons performing the equivalent functions): a) All significant deficiencies and material weaknesses in the design or operation ofinternal control over financial reporting which are reasonably likely to adversely affect theregistrant’s ability to record, process, summarize and report financial information;and  b) Any fraud, whether or not material, that involves management or otheremployees who have a significant role in the registrant’s internal control overfinancial reporting.        Date: March 13, 2007 By:  /s/ Steven M. Blondy    Steven M. Blondy    Executive Vice President and Chief Financial Officer