Exhibit 32.1


                            CERTIFICATION PURSUANT TO
                             18 U.S.C. SECTION 1350,
                             AS ADOPTED PURSUANT TO
                  SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

     In connection with the Quarterly Report on Form 10-Q of R.H. Donnelley
Corporation for the period ending June 30, 2003 as filed with the Securities and
Exchange Commission on the date hereof (the "Report"), each of the undersigned
officers hereby certifies, pursuant to 18 U.S.C. Section 1350, as adopted
pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that, to such
officer's knowledge:

(1)  The Report fully complies with the requirements of Section 13(a) or 15(d)
     of the Securities Exchange Act of 1934; and

(2)  The information contained in the Report fairly presents, in all material
     respects, the financial condition and results of operations of R.H.
     Donnelley Corporation as of the dates and for the periods expressed in the
     Report.





/s/ David C. Swanson                             /s/ Steven M. Blondy
- ---------------------------------                --------------------
David C. Swanson                                 Steven M. Blondy
Chief Executive Officer                          SVP and Chief Financial Officer
August 13, 2003                                  August 13, 2003



The foregoing certification is being furnished solely pursuant to 18 U.S.C.
Section 1350 and is not being filed as part of the Report or as a separate
disclosure document.