EX-23.b Form 11-K for 1993 File No. 1-8610 CONSENT OF INDEPENDENT AUDITORS We consent to the incorporation by reference in the Registration Statement (Form S-8, No. 33-38706) pertaining to the Southwestern Bell Corporation Savings and Security Plan (Non-Salaried Employees) of our report dated May 25, 1994, with respect to the financial statements and schedule of investments of the Southwestern Bell Corporation Savings and Security Plan (Non-Salaried Employees) included in this Annual Report (Form 11-K) for the year ended December 31, 1993. ERNST & YOUNG San Antonio, Texas May 26, 1994