Private company
Teleport Communications Group
Telecommunications history
The history of AT&T originates in the invention of the telephone. The Bell Telephone Company was established in 1877 by Alexander Graham Bell, who was granted the first U.S. patent for what became the telephone, and his father-in-law, Gardiner Greene Hubbard.2 It is part of AT&T Communications, LLC.1 Wikipedia text CC BY-SA 4.0
Last updated Oct 21, 2026.
Overview
See how the biggest companies compare on our leaderboards
The history of AT&T originates in the invention of the telephone. The Bell Telephone Company was established in 1877 by Alexander Graham Bell, who was granted the first U.S. patent for what became the telephone, and his father-in-law, Gardiner Greene Hubbard.2
Subsidiaries and ownership
Parent company
- AT&T Communications, LLC
From Wikidata.1
Links
- WikipediaTeleport Communications Group
- WikidataQ7696761
Sources
The numbers on this page point here. Each one links to the record it came from.
- 1
- 2