A bell is a percussion instrument, usually cup-shaped.
GTE Corporation, formerly General Telephone & Electronics Corporation (1955–1982), was the largest independent telephone company in the United States during the days of the Bell System. The company operated from 1926, with roots tracing further back than that, until 2000, when it was acquired by Bell Atlantic; the combined company took the name Verizon.
Bell Canada is a Canadian telecommunications company headquartered at 1 Carrefour Alexander-Graham-Bell in the borough of Verdun in Montreal, Quebec, Canada. It is an ILEC in the provinces of Ontario and Quebec; as such, it was a founding member of the Stentor Alliance. It is also a CLEC for enterprise customers in the western provinces.
BellSouth, LLC was an American telecommunications holding company based in Atlanta, Georgia. BellSouth was one of the seven original Regional Bell Operating Companies after the U.S. Department of Justice forced the American Telephone & Telegraph Company to divest itself of its regional telephone companies on January 1, 1984.
Southern New England Telecommunications Corporation (SNET) started operations in 1986 as the holding company for The Southern New England Telephone Company. Prior to 1986, The Southern New England Telephone Company had been a minority holding of AT&T until February 1986, when AT&T withdrew its 23% holding. SNET then became its own company, operating a telecommunications sales division, Sonecor Systems Division, which began operations on January 1, 1983, and sold equipment in competition with AT&T before the Bell System divestiture. SNET also operated SNET America, which sold long-distance services to Southern New England Telephone customers within Connecticut.
US West, Inc., doing business as U S West, was one of seven Regional Bell Operating Companies, created in 1983 under the Modification of Final Judgement, a case related to the antitrust breakup of AT&T. US West provided local telephone and intraLATA long-distance services, data transmission services, cable television services, wireless communications services and related telecommunications products to defined areas in Arizona, Colorado, Idaho, Iowa, Minnesota, Montana, Nebraska, New Mexico, North Dakota, Oregon, South Dakota, Utah, Washington, and Wyoming. US West was a public company traded on the New York Stock Exchange under the ticker symbol "USW" with headquarters at 1801 California Street in Denver, Colorado.
Cincinnati Bell, doing business as Altafiber, is a regional telecommunications service provider based in Cincinnati, Ohio, United States. It provides landline telephone, fiber-optic Internet, and IPTV services through its subsidiaries Altafiber Home Phone and Hawaiian Telcom, which are the incumbent local exchange carriers for the Greater Cincinnati metropolitan area and Hawaii. Other subsidiaries provide enterprise information technology services and long distance calling.
Southern Bell Telephone and Telegraph Company was once the regional Bell Operating Company serving the states of Georgia, Florida, North Carolina, and South Carolina prior to the breakup of AT&T. It also covered the states of Alabama, Kentucky, Louisiana, Mississippi, and Tennessee until 1968 when those were split off to form South Central Bell.
Rochester Telephone Corporation was a company that provided local telephone service to Rochester, New York. The company was founded in 1920 as a merger of Rochester Telephonic Exchange and Rochester Telephone Company. In 1995 the company became Frontier Corporation, trading on the NYSE under the FRO symbol. Ownership passed to Global Crossing in 1999, and then, in 2001, to Citizens Utilities Corporation, which later changed its name to Frontier Communications.
The breakup of the Bell System was mandated on January 8, 1982, by a consent decree providing that AT&T Corporation would, as had been initially proposed by AT&T, relinquish control of the Bell Operating Companies, which had provided local telephone service in the United States. This effectively took the monopoly that was the Bell System and split it into entirely separate companies that would continue to provide telephone service. AT&T would continue to be a provider of long-distance service, while the now-independent Regional Bell Operating Companies (RBOCs), nicknamed the "Baby Bells", would provide local service, and would no longer be directly supplied with equipment from AT&T subsidiary Western Electric.
Verizon South, Inc. is a Verizon operating company providing local telephone services to portions of Virginia and North Carolina in the United States.
BellSouth Telecommunications, LLC was an operating company of AT&T that served the southeastern United States. It consisted of the operations of Southern Bell and South Central Bell.
Qwest Corporation is a former Regional Bell Operating Company owned by Lumen Technologies. It was formerly named U S WEST Communications, Inc. from 1991 to 2000, and also formerly named Mountain States Telephone and Telegraph Company from 1911 to 1991. It includes the former operations of Malheur Bell, Northwestern Bell and Pacific Northwest Bell as well.
The Bell System was a system of telecommunication companies, led by the Bell Telephone Company and later by the American Telephone and Telegraph Company (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 companies was often colloquially called Ma Bell, as it held a vertical monopoly over telecommunication products and services in most areas of the United States and Canada. At the time of the breakup of the Bell System in the early 1980s, it had assets of $150 billion and employed over one million people.
AT&T Corporation is the subsidiary of AT&T Inc. that provides voice, video, data, and Internet telecommunications and professional services to businesses, consumers, and government agencies.
Southwestern Bell Telephone Company is a wholly owned subsidiary of AT&T. It does business as other d.b.a. names in its operating region, which includes Arkansas, Kansas, Missouri, Oklahoma, Texas, and portions of Illinois. The company is currently headquartered in Dallas, Texas at One AT&T Plaza.
CenturyTel of Eagle, Inc. is one of the CenturyLink operating companies in Colorado. The company was formed in 1928 as The Eagle Valley Telephone Company and originally served Eagle, Rio Blanco, and Routt counties in Colorado.
AT&T Communications, Inc., was a division of the AT&T Corporation that, through 23 subsidiaries, provided interexchange carrier and long-distance telephone services.
