EXHIBIT 24 POWER OF ATTORNEY KNOW ALL MEN BY THESE PRESENTS: PACIFIC BELL, a California corporation, hereinafter referred to as the "Company," proposes to file with the Securities and Exchange Commission, under the provisions of the Securities Exchange Act of 1934, as amended, an annual report on Form 10-K, and WHEREAS, each of the undersigned is a director of the Company; NOW, THEREFORE, each of the undersigned hereby constitutes and appoints Edward A. Mueller, T. Michael Payne and Robert B. Pickering, and each of them, his or her attorneys for him or her and in his or her name, place and stead, and in his or her office and capacity in the Company, to execute and file such annual report, and thereafter to execute and file any amendment or amendments thereto, hereby giving and granting to said attorneys full power and authority to do and perform each and every act and thing whatsoever requisite or necessary to be done in and concerning the premises, as fully to all intents and purposes as he might or could do if personally present at the doing thereof, hereby ratifying and confirming all that said attorneys may or shall lawfully do, or cause to be done, by virtue hereof. IN WITNESS WHEREOF, each of the undersigned has hereunto set his or her hand on the date set forth opposite his or her signature. /s/ Royce S. Caldwell February 1, 1999 - ------------------------------- -------------- Royce S. Caldwell Date Chairman of the Board /s/ Cassandra C. Carr January 27, 1999 - ------------------------------- -------------- Cassandra C. Carr Date Director EXHIBIT 24 POWER OF ATTORNEY PAGE 2 /s/ Karen Jennings February 2, 1999 - -------------------------------- -------------- Karen Jennings Date Director /s/ James D. Ellis January 26, 1999 - -------------------------------- -------------- James D. Ellis Date Director /s/ Charles E. Foster February 3, 1999 - -------------------------------- -------------- Charles E. Foster Date Director /s/ T. Michael Payne January 19, 1999 - -------------------------------- -------------- T. Michael Payne Date Director /s/ Donald E. Kiernan February 5, 1999 - -------------------------------- -------------- Donald E. Kiernan Date Director and Treasurer /s/ Edward A. Mueller January 19, 1999 - -------------------------------- -------------- Edward A. Mueller Date Director and President and Chief Executive Officer