EXHIBIT 24




                              POWER OF ATTORNEY

KNOW ALL MEN BY THESE PRESENTS:

     THAT, WHEREAS, SBC COMMUNICATIONS INC., a Delaware corporation, hereinafter
referred to as the "Corporation," 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, the undersigned is an officer and a director of the Corporation;

     NOW, THEREFORE, the undersigned hereby constitutes and appoints James D.
Ellis, Donald E. Kiernan, Liam S. Coonan, Roger W. Wohlert, or any one of them,
all of the City of San Antonio and State of Texas, his attorneys for him and in
his name, place and stead, and in each of his offices and capacities in the
Corporation, 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 and necessary to be done in and concerning the
premises, as fully to all intents and purposes as the undersigned 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, the undersigned executed this Power of Attorney the
28th day of January 2000.





/s/ Edward E. Whitacre, Jr.
Edward E. Whitacre, Jr.
Chairman of the Board, Director
and Chief Executive Officer




                                                                      EXHIBIT 24




                                POWER OF ATTORNEY

KNOW ALL MEN BY THESE PRESENTS:

     THAT, WHEREAS, SBC COMMUNICATIONS INC., a Delaware corporation, hereinafter
referred to as the "Corporation," 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, the undersigned is an officer and a director of the Corporation;

     NOW, THEREFORE, the undersigned hereby constitutes and appoints Edward E.
Whitacre, Jr., James D. Ellis, Donald E. Kiernan, Liam S. Coonan, Roger W.
Wohlert, or any one of them, all of the City of San Antonio and State of Texas,
his attorneys for him and in his name, place and stead, and in each of his
offices and capacities in the Corporation, 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 and necessary to be
done in and concerning the premises, as fully to all intents and purposes as the
undersigned 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, the undersigned executed this Power of Attorney
the 28th day of January 2000.





/s/ Royce S. Caldwell
Royce S. Caldwell
Vice Chairman of the Board, Director
and President-SBC Operations





                                                                      EXHIBIT 24




                              POWER OF ATTORNEY

KNOW ALL MEN BY THESE PRESENTS:

     THAT, WHEREAS, SBC COMMUNICATIONS INC., a Delaware corporation, hereinafter
referred to as the "Corporation," 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, the undersigned is an officer of the Corporation;

     NOW, THEREFORE, the undersigned hereby constitutes and appoints Edward E.
Whitacre, Jr., James D. Ellis, Liam S. Coonan, Roger W. Wohlert, or any one of
them, all of the City of San Antonio and State of Texas, his attorneys for him
and in his name, place and stead, and in each of his offices and capacities in
the Corporation, 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 and necessary to be done in and concerning the
premises, as fully to all intents and purposes as the undersigned 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, the undersigned executed this Power of Attorney the
28th day of January 2000.





/s/ D. E. Kiernan
- -----------------
D. E. Kiernan
Senior Executive Vice President,
Chief Financial Officer and Treasurer











                                                                      EXHIBIT 24




                              POWER OF ATTORNEY

KNOW ALL MEN BY THESE PRESENTS:

     THAT, WHEREAS, SBC COMMUNICATIONS INC., a Delaware corporation, hereinafter
referred to as the "Corporation," 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, the undersigned is a director of the Corporation;

     NOW, THEREFORE, the undersigned hereby constitutes and appoints Edward E.
Whitacre, Jr., James D. Ellis, Donald E. Kiernan, Liam S. Coonan, Roger W.
Wohlert, or any one of them, all of the City of San Antonio and State of Texas,
the undersigned's attorneys for the undersigned and in the undersigned's name,
place and stead, and in the undersigned's office and capacity in the
Corporation, 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 and necessary to be done in and concerning the
premises, as fully to all intents and purposes as the undersigned 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, the undersigned executed this Power of Attorney the
28th day of January 2000.



/s/ Clarence C. Barksdale                   /s/ James E. Barnes
- ----------------------------                ---------------------------
Clarence C. Barksdale                       James E. Barnes
Director                                    Director


/s/ August A. Busch III                     /s/ Ruben R. Cardenas
- ----------------------------                ---------------------------
August A. Busch III                         Ruben R. Cardenas
Director                                    Director





                                                                      EXHIBIT 24
                                                               POWER OF ATTORNEY
                                                                          PAGE 2


/s/ William P. Clark                        /s/ Martin K. Eby, Jr.
- ----------------------------                ---------------------------
William P. Clark                            Martin K. Eby, Jr.
Director                                    Director


/s/ Herman E. Gallegos                      /s/ Jess T. Hay
- ----------------------------                ---------------------------
Herman E. Gallegos                          Jess T. Hay
Director                                    Director


/s/ James A. Henderson                      /s/ Bobby R. Inman
- ----------------------------                ---------------------------
James A. Henderson                          Bobby R. Inman
Director                                    Director


/s/ Charles F. Knight                       /s/ Lynn M. Martin
- ----------------------------                ---------------------------
Charles F. Knight                           Lynn M. Martin
Director                                    Director


/s/ John B. McCoy                           /s/ Mary S. Metz
- ----------------------------                ---------------------------
John B. McCoy                               Mary S. Metz
Director                                    Director


/s/ Toni Rembe                              /s/ S. Donley Ritchey
- ----------------------------                ---------------------------
Toni Rembe                                  S. Donley Ritchey
Director                                    Director


/s/ Joyce M. Roche                          /s/ Richard M. Rosenberg
- ----------------------------                ---------------------------
Joyce M. Roche                              Richard M. Rosenberg
Director                                    Director


/s/ Carlos Slim Helu                        /s/ Laura D'Andrea Tyson
- ----------------------------                ---------------------------
Carlos Slim Helu                            Laura D'Andrea Tyson
Director                                    Director


/s/ Patricia P. Upton
- ----------------------------
Patricia P. Upton
Director