EXHIBIT 23a Consent of Independent Auditors We consent to the incorporation by reference in the following registration statements of Verizon Communications Inc. (Verizon) and where applicable, related Prospectuses, of our report dated January 31, 2002 (except for Note 1, as to which the date is May 31, 2002), with respect to the consolidated financial statements and schedule of Verizon included in this Annual Report (Form 10-K/A) for the year ended December 31, 2001: Form S-8, No. 333-66459; Form S-8, No. 333-66349; Form S-3, No. 333-48083; Form S-8, No. 33-10378; Form S-4, No. 333-11573; Form S-8, No. 333-33747; Form S-8, No. 333-41593; Form S-8, No. 333-42801; Form S-4, No. 333-76171; Form S-8, No. 333-75553; Form S-8, No. 333-81619; Form S-3, No. 333-78121-01; Form S-8, No. 333-76171; Form S-8, No. 333-50146; Form S-8, No. 333-53830; Form S-3, No. 333-67412; Form S-3, No. 333-73612; Form S-4, No. 333-82408; and Form S-8, No. 333-82690. /s/ Ernst & Young LLP New York, New York May 31, 2002