Exhibit 99.1

                            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 of West Corporation (the "Company") on
Form 10-Q for the period ending June 30, 2002 as filed with the Securities and
Exchange Commission on the date hereof (the "Report"), I, Thomas B. Baker,
Chief Executive Officer of the Company, certify, pursuant to 18 U.S.C. (S) 1350,
as adopted pursuant to (S) 906 of the Sarbanes-Oxley Act of 2002, that:

    (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 the Company.



/s/ Thomas B. Barker

Thomas B. Barker
Chief Executive Officer
August 7, 2002






                            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 of West Corporation (the "Company") on
Form 10-Q for the period ending June 30, 2002 as filed with the Securities and
Exchange Commission on the date hereof (the "Report"), I, Michael M. Micek,
Chief Financial Officer of the Company, certify, pursuant to 18 U.S.C. (S) 1350,
as adopted pursuant to (S) 906 of the Sarbanes-Oxley Act of 2002, that:

    (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 the Company.



/s/ Michael A. Micek

Michael A. Micek
Chief Financial Officer
August 7, 2002