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.
A Regional Bell Operating Company (RBOC) was a corporate entity created as result of the antitrust lawsuit by the U.S. Department of Justice against the American Telephone and Telegraph Company (AT&T) in 1974 and settled in the Modification of Final Judgment on January 8, 1982.
The first incarnation of the New England Telephone and Telegraph Company was a short-lived company set up to develop the then-new telephone. It should not be confused with the New England Telephone and Telegraph Company that was formed a year later and became one of the largest of the regional Bell Telephone Companies.
NYNEX Corporation was an American telephone company that served five states of New England as well as most of the state of New York from January 1, 1984 to August 14, 1997.
The monopoly position of the Bell System in the U.S. was ended 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. 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 New York, Inc., formerly The New York Telephone Company (NYTel), was organized in 1896, taking over the New York City operations of the American Bell Telephone Company.
Frontier Southwest Incorporated is a Frontier Communications operating company in Texas. At its peak, Frontier Southwest served Arkansas, Oklahoma, Texas, and New Mexico.
Frontier North, Inc. is a local telephone operating company owned by Frontier Communications.
Frontier California, Inc. is a Frontier Communications-owned operating company providing telephone service in former Verizon regions. This included Southern California cities such as Long Beach, Seal Beach, Lakewood, Norwalk and Santa Monica.
Frontier Midstates, Inc. is a telephone operating company of Frontier Communications serving Indiana and Michigan. It was originally owned by Contel, and later purchased by GTE, Verizon, and then sold to Frontier.
Advanced Mobile Phone Service, Inc. was a subsidiary of AT&T prior to the Bell System Divestiture. Abbreviated AMPS, the company was created in 1978 to build and operate the new Advanced Mobile Phone System, also abbreviated AMPS. AMPS was developed by Bell Labs to replace older, severely limited radiophone services, such as IMTS. AMPS was one of the first modern cellular phone systems, which remained in operation until 2008.
FairPoint Communications, Inc. was an American operator of communication services. FairPoint's services include local and long-distance phone service, data, Internet, broadband, television, business communications solutions and fiber services. Headquartered in Charlotte, North Carolina, it served 31 markets in 17 states, mostly in rural areas. FairPoint, along with Frontier Communications, had been at the forefront of acquiring Verizon landline operations.
Consolidated Communications of Northern New England Company, LLC is a Bell Operating Company founded in 2006. It is a subsidiary of Consolidated Communications and operates telephone lines in Maine, New Hampshire, and Western Massachusetts originally served by New England Telephone.
Verizon Communications Inc., is an American telecommunications company headquartered in New York City. It is the world's second-largest telecommunications company by revenue and its mobile network is the largest wireless carrier in the United States, with 114.8 million subscribers as of March 31, 2024.
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, commonly referred to as AT&T, 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 agencies.
Frontier West Virginia, Inc. is one of the original Bell Operating Companies and provides local telephone service in the U.S. state of West Virginia.
Consolidated Communications of Vermont Company, LLC is a telephone operating company owned by Consolidated Communications of Northern New England, a subsidiary of Consolidated Communications.
New England Telephone was the commonly used name used of a US telecommunications company that primarily served New England from 1883 to 2000 and whose service area is split, as of 2021, between Verizon New England, where details of the corporate history can be found, and Consolidated Communications. Its formal name was New England Telephone and Telegraph Co.
