EX-21 5 ex-21ye2021.htm EX-21 SUBSIDIARIES OF AT&T INC. Document

Exhibit 21
 
PRINCIPAL SUBSIDIARIES OF

AT&T INC., AS OF DECEMBER 31, 2021

2021 AT&T INC. REPORT TO STOCKHOLDERS

SECURITIES AND EXCHANGE COMMISSION ("SEC")

FORM 10-K filed February 16, 2022

Legal NameState of Incorporation/FormationConducts Business Under
Illinois Bell Telephone
  Company, LLC
 
Illinois
AT&T Illinois;
AT&T Wholesale
Indiana Bell Telephone
  Company, Incorporated
 
Indiana
AT&T Indiana;
AT&T Wholesale
Michigan Bell
  Telephone Company
 
Michigan
AT&T Michigan;
AT&T Wholesale
Nevada Bell
  Telephone Company
 
Nevada
AT&T Nevada;
AT&T Wholesale
Pacific Bell
  Telephone Company
California
AT&T California;
AT&T Wholesale;
AT&T DataComm
 
SBC Long Distance, LLC
 
DelawareAT&T Long Distance
AT&T Teleholdings, Inc.Delaware
AT&T Midwest;
AT&T West;
AT&T East
 
Southwestern Bell
  Telephone Company
Delaware
AT&T Arkansas; AT&T Kansas;
AT&T Missouri; AT&T Oklahoma;
AT&T Texas; AT&T Southwest;
AT&T DataComm; AT&T Wholesale
 
The Ohio Bell
  Telephone Company
Ohio
AT&T Ohio;
AT&T Wholesale
 
Wisconsin Bell, Inc.Wisconsin
AT&T Wisconsin;
AT&T Wholesale
 
AT&T Services, Inc.Delaware
AT&T Services;
AT&T Labs



AT&T Corp.New York
AT&T Corp.; ACC Business;
AT&T Wholesale;
AT&T Business Solutions;
AT&T Advanced Solutions;
AT&T Diversified Group;
AT&T Mobile and Business Solutions 
Teleport Communications
  America, LLC

Delaware

same

BellSouth, LLC
 
Georgia
 
AT&T South
 
BellSouth Telecommunications,
  LLC
Georgia
AT&T Alabama
AT&T Florida
AT&T Georgia
AT&T Kentucky
AT&T Louisiana
AT&T Mississippi
AT&T North Carolina
AT&T South Carolina
AT&T Tennessee
AT&T Southeast

AT&T Mobility LLCDelaware
same

AT&T Mobility II LLCDelaware
same

New Cingular Wireless
  PCS, LLC
Delaware
AT&T Mobility


Cricket Wireless LLCDelaware
same

AT&T Communications, LLCDelaware
same

AT&T Latin America, LLCDelaware
same

AT&T Comunicaciones Digitales, S. de R.L. de C.V.

Mexico City
same

AT&T MVPD Group Holdings, LLC
Delaware
same

Warner Media, LLCDelaware
same

Home Box Office, Inc.Delaware
HBO Global Licensing

Turner Broadcasting System, Inc.Delaware
Turner



Warner Bros. Entertainment Inc.Delaware
Warner-Grandview Music
Warner Bros.
Warner Bros. International Film Acquisitions
Warner Bros. International Cinemas
Warner Bros. Entertainment Group
Warner Bros. Global Insights & Analytics

Historic TW Inc.Delaware
same

Warner Media Content Holdings, L.P.Delaware
same

WarnerMedia Direct, LLCDelaware
same

Warner Communications LLCDelaware
same

Xandr Inc.Delaware
same