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

Pursuant to 18 U.S.C. Section 1350 (as adopted pursuant to Section 906 of the
Sarbanes-Oxley Act of 2002), I, the undersigned Chief Executive Officer of
infoUSA Inc. (the "Company"), hereby certify that (i) the Quarterly Report on
Form 10-Q of the Company for the quarterly period ended March 31, 2003 (the
"Report") fully complies with the requirements of section 13(a) or 15(d) of the
Securities Exchange Act of 1934 and (ii) the information contained in the Report
fairly presents, in all material respects, the financial condition and results
of operations of the Company.

Date: May 14, 2003                      /s/ Vinod Gupta
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                                        Vinod Gupta,
                                        Chief Executive Officer