The AT&T Bell System is broken up by the United States Government.

AT&T Corporation

Defunct American telecommunications company (1885–2024)

AT&T Corporation, an abbreviation for its former name, the American Telephone and Telegraph Company, was an American telecommunications company that provided voice, video, data, and Internet telecommunications and professional services to businesses, consumers, and government…

Bell System

Defunct American telephone service monopoly (1877-1984)

The Bell System was a system of telecommunication companies, led by the Bell Telephone Company and later by AT&T, that dominated the telephone services industry in North America for over 100 years from its creation in 1877 until its antitrust breakup in 1983. The system of…

Federal government of the United States

The federal government of the United States is the national government of the United States.