Exhibit 24
POWER OF ATTORNEY
KNOW ALL MEN BY THESE PRESENTS:
THAT, AT&T INC., a Delaware corporation, hereinafter referred to as the “Corporation,” proposes to file with the Securities and Exchange Commission at Washington, D.C., under the provisions of the Securities Exchange Act of 1934, as amended, an annual report on Form 10-K; and
NOW, THEREFORE, each of the undersigned hereby constitutes and appoints John T. Stankey, George B. Goeke, David R. McAtee II, John J. Stephens, Debra L. Dial, or any one of them, all of the City of Dallas and State of Texas, the 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, each of the undersigned has hereunto set his or her hand the date set forth opposite their name.

/s/Samuel A. Di Piazza, Jr.
Samuel A. Di Piazza, Jr. Director

Exhibit 24
POWER OF ATTORNEY
KNOW ALL MEN BY THESE PRESENTS:
THAT, AT&T INC., a Delaware corporation, hereinafter referred to as the “Corporation,” proposes to file with the Securities and Exchange Commission at Washington, D.C., under the provisions of the Securities Exchange Act of 1934, as amended, an annual report on Form 10-K; and
NOW, THEREFORE, each of the undersigned hereby constitutes and appoints John T. Stankey, George B. Goeke, David R. McAtee II, John J. Stephens, Debra L. Dial, or any one of them, all of the City of Dallas and State of Texas, the 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, each of the undersigned has hereunto set his or her hand the date set forth opposite their name.

January 29, 2021 |  | /s/Richard W. Fisher
Date |  | Richard W. Fisher Director

Exhibit 24

POWER OF ATTORNEY
KNOW ALL MEN BY THESE PRESENTS:
THAT, AT&T INC., a Delaware corporation, hereinafter referred to as the “Corporation,” proposes to file with the Securities and Exchange Commission at Washington, D.C., under the provisions of the Securities Exchange Act of 1934, as amended, an annual report on Form 10-K; and
NOW, THEREFORE, each of the undersigned hereby constitutes and appoints John T. Stankey, George B. Goeke, David R. McAtee II, John J. Stephens, Debra L. Dial, or any one of them, all of the City of Dallas and State of Texas, the 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, each of the undersigned has hereunto set his or her hand the date set forth opposite their name.

January 29, 2021 |  | /s/Scott T. Ford
Date |  | Scott T. Ford Director

Exhibit 24
POWER OF ATTORNEY
KNOW ALL MEN BY THESE PRESENTS:
THAT, AT&T INC., a Delaware corporation, hereinafter referred to as the “Corporation,” proposes to file with the Securities and Exchange Commission at Washington, D.C., under the provisions of the Securities Exchange Act of 1934, as amended, an annual report on Form 10-K; and
NOW, THEREFORE, each of the undersigned hereby constitutes and appoints John T. Stankey, George B. Goeke, David R. McAtee II, John J. Stephens, Debra L. Dial, or any one of them, all of the City of Dallas and State of Texas, the 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, each of the undersigned has hereunto set his or her hand the date set forth opposite their name.

/s/Glenn H. Hutchins
Glenn H. Hutchins Director

Exhibit 24
POWER OF ATTORNEY
KNOW ALL MEN BY THESE PRESENTS:
THAT, AT&T INC., a Delaware corporation, hereinafter referred to as the “Corporation,” proposes to file with the Securities and Exchange Commission at Washington, D.C., under the provisions of the Securities Exchange Act of 1934, as amended, an annual report on Form 10-K; and
NOW, THEREFORE, each of the undersigned hereby constitutes and appoints John T. Stankey, George B. Goeke, David R. McAtee II, John J. Stephens, Debra L. Dial, or any one of them, all of the City of Dallas and State of Texas, the 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, each of the undersigned has hereunto set his or her hand the date set forth opposite their name.

January 29, 2021 |  | /s/William E. Kennard
Date |  | William E. Kennard Director

Exhibit 24

POWER OF ATTORNEY
KNOW ALL MEN BY THESE PRESENTS:
THAT, AT&T INC., a Delaware corporation, hereinafter referred to as the “Corporation,” proposes to file with the Securities and Exchange Commission at Washington, D.C., under the provisions of the Securities Exchange Act of 1934, as amended, an annual report on Form 10-K; and
NOW, THEREFORE, each of the undersigned hereby constitutes and appoints John T. Stankey, George B. Goeke, David R. McAtee II, John J. Stephens, Debra L. Dial, or any one of them, all of the City of Dallas and State of Texas, the 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, each of the undersigned has hereunto set his or her hand the date set forth opposite their name.

January 29, 2021 |  | /s/Debra L. Lee
Date |  | Debra L. Lee Director

Exhibit 24

POWER OF ATTORNEY
KNOW ALL MEN BY THESE PRESENTS:
THAT, AT&T INC., a Delaware corporation, hereinafter referred to as the “Corporation,” proposes to file with the Securities and Exchange Commission at Washington, D.C., under the provisions of the Securities Exchange Act of 1934, as amended, an annual report on Form 10-K; and
NOW, THEREFORE, each of the undersigned hereby constitutes and appoints John T. Stankey, George B. Goeke, David R. McAtee II, John J. Stephens, Debra L. Dial, or any one of them, all of the City of Dallas and State of Texas, the 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, each of the undersigned has hereunto set his or her hand the date set forth opposite their name.

/s/Stephen J. Luczo
Stephen J. Luczo Director

Exhibit 24
POWER OF ATTORNEY
KNOW ALL MEN BY THESE PRESENTS:
THAT, AT&T INC., a Delaware corporation, hereinafter referred to as the “Corporation,” proposes to file with the Securities and Exchange Commission at Washington, D.C., under the provisions of the Securities Exchange Act of 1934, as amended, an annual report on Form 10-K; and
NOW, THEREFORE, each of the undersigned hereby constitutes and appoints John T. Stankey, George B. Goeke, David R. McAtee II, John J. Stephens, Debra L. Dial, or any one of them, all of the City of Dallas and State of Texas, the 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, each of the undersigned has hereunto set his or her hand the date set forth opposite their name.

/s/Michael B. McCallister
Michael B. McCallister Director

Exhibit 24
POWER OF ATTORNEY
KNOW ALL MEN BY THESE PRESENTS:
THAT, AT&T INC., a Delaware corporation, hereinafter referred to as the “Corporation,” proposes to file with the Securities and Exchange Commission at Washington, D.C., under the provisions of the Securities Exchange Act of 1934, as amended, an annual report on Form 10-K; and
NOW, THEREFORE, each of the undersigned hereby constitutes and appoints John T. Stankey, George B. Goeke, David R. McAtee II, John J. Stephens, Debra L. Dial, or any one of them, all of the City of Dallas and State of Texas, the 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, each of the undersigned has hereunto set his or her hand the date set forth opposite their name.

January 29, 2021 |  | /s/Beth E. Mooney
Date |  | Beth E. Mooney Director

Exhibit 24
POWER OF ATTORNEY
KNOW ALL MEN BY THESE PRESENTS:
THAT, AT&T INC., a Delaware corporation, hereinafter referred to as the “Corporation,” proposes to file with the Securities and Exchange Commission at Washington, D.C., under the provisions of the Securities Exchange Act of 1934, as amended, an annual report on Form 10-K; and
NOW, THEREFORE, each of the undersigned hereby constitutes and appoints John T. Stankey, George B. Goeke, David R. McAtee II, John J. Stephens, Debra L. Dial, or any one of them, all of the City of Dallas and State of Texas, the 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, each of the undersigned has hereunto set his or her hand the date set forth opposite their name.

January 29, 2021 |  | /s/Matthew K. Rose
Date |  | Matthew K. Rose Director

Exhibit 24
POWER OF ATTORNEY
KNOW ALL MEN BY THESE PRESENTS:
THAT, AT&T INC., a Delaware corporation, hereinafter referred to as the “Corporation,” proposes to file with the Securities and Exchange Commission at Washington, D.C., under the provisions of the Securities Exchange Act of 1934, as amended, an annual report on Form 10-K; and
NOW, THEREFORE, each of the undersigned hereby constitutes and appoints John T. Stankey, George B. Goeke, David R. McAtee II, John J. Stephens, Debra L. Dial, or any one of them, all of the City of Dallas and State of Texas, the 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, each of the undersigned has hereunto set his or her hand the date set forth opposite their name.

/s/Cynthia B. Taylor
Cynthia B. Taylor Director

Exhibit 24
POWER OF ATTORNEY
KNOW ALL MEN BY THESE PRESENTS:
THAT, AT&T INC., a Delaware corporation, hereinafter referred to as the “Corporation,” proposes to file with the Securities and Exchange Commission at Washington, D.C., under the provisions of the Securities Exchange Act of 1934, as amended, an annual report on Form 10-K; and
NOW, THEREFORE, each of the undersigned hereby constitutes and appoints George B. Goeke, David R. McAtee II, John J. Stephens, Debra L. Dial, or any one of them, all of the City of Dallas and State of Texas, the 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, each of the undersigned has hereunto set his or her hand the date set forth opposite their name.

January 29, 2021 |  | /s/John T. Stankey
Date |  | John T. Stankey Chief Executive Officer and Director

Exhibit 24
POWER OF ATTORNEY
KNOW ALL MEN BY THESE PRESENTS:
THAT, AT&T INC., a Delaware corporation, hereinafter referred to as the “Corporation,” proposes to file with the Securities and Exchange Commission at Washington, D.C., under the provisions of the Securities Exchange Act of 1934, as amended, an annual report on Form 10-K; and
NOW, THEREFORE, each of the undersigned hereby constitutes and appoints John T. Stankey, George B. Goeke, David R. McAtee II, John J. Stephens, Debra L. Dial, or any one of them, all of the City of Dallas and State of Texas, the 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, each of the undersigned has hereunto set his or her hand the date set forth opposite their name.

/s/Geoffrey Y. Yang
Geoffrey Y. Yang Director