== Datterselskaber ==
[[Fil:AT&TOrange.JPG|thumb|AT&T kontor i [[San Antonio]], Texas med nyt logo]]
AT&T Inc. er moderselskab til følgende datterselskaber:
** [[Southwestern Bell]] Telephone Company d/b/a AT&T Arkansas, AT&T Kansas, AT&T Missouri, AT&T Oklahoma, AT&T Southwest, AT&T Texas
** [[Ameritech|AT&T Teleholdings]], Inc. d/b/a AT&T East, AT&T Midwest, AT&T West; formerly Ameritech, acquired in 1999; absorbed Pacific Telesis and SNET Corp. under AT&T ownership
*** [[Illinois Bell]] Telephone Company d/b/a AT&T Illinois
*** [[Indiana Bell]] Telephone Company d/b/a AT&T Indiana
*** [[Michigan Bell]] Telephone Company d/b/a AT&T Michigan
*** The [[Ohio Bell]] Telephone Company d/b/a AT&T Ohio
*** [[Pacific Bell]] Telephone Company d/b/a AT&T California
**** [[Nevada Bell]] Telephone Company d/b/a AT&T Nevada
*** The [[Southern New England Telephone]] Company d/b/a AT&T Connecticut (inklusiv tidligere [[Woodbury Telephone]])
*** [[Wisconsin Bell]], Inc. d/b/a AT&T Wisconsin
** [[AT&T Corp.]], opkøbt i 2005
*** [[AT&T Alascom]]
** [[BellSouth]] Corporation d/b/a AT&T South, acquired 2006
*** [[BellSouth Telecommunications]], LLC d/b/a AT&T Alabama, AT&T Florida, AT&T Georgia, AT&T Louisiana, AT&T Kentucky, AT&T Mississippi, AT&T North Carolina, AT&T South Carolina, AT&T Southeast, AT&T Tennessee
** [[AT&T Mobility]] – USAs næststørste mobilselskab
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