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, which changed its name to 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 Pacific Bell Telephone Company (Pac Bell) is a telephone company that provides telephone service in California. The company is owned by AT&T through AT&T Teleholdings, and, though separate, is now marketed as “AT&T”. The company has been known by a number of names during which its service area has changed. The formal name of the company from the 1910s through the 1984 Bell System divestiture was The Pacific Telephone and Telegraph Company. As of 2002, the name “Pacific Bell” is no longer used in marketing, although Pacific Bell is still the holder of record for the infrastructure of cables and fiber through much of California.
US West, Inc. 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.
The monopoly position of the Bell System in the U.S. was ended on January 8, 1982. AT&T Corporation proposed by in a consent decree to 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.
Northwestern Bell Telephone Company was an American telecommunications service provider that served the states of the upper Midwest opposite the Southwestern Bell area, including Iowa, Minnesota, South Dakota, North Dakota and Nebraska. As of late summer 1994, this telephone company is no longer operating. The company did business as US West from 1984, was later merged with Mountain Bell and the Pacific Northwest Bell in the late 1980s and then later phased away and dissolved. The successors of the Northwestern Bell Telephone were US West.
Northwest Fiber, LLC, doing business as Ziply Fiber, is an American telecommunications company based in Kirkland, Washington. Owned by WaveDivision Capital, the company operates fiber-optic broadband services in the Pacific Northwest, serving 1.3 million residential and business customers in Washington, Oregon, Idaho and Montana. It has major offices in Everett, Washington, Beaverton, Oregon, and Hayden, Idaho.
Qwest Corporation is a Regional Bell Operating Company owned by Lumen Technologies. It was originally named Mountain States Telephone and Telegraph Company, later becoming known as Mountain Bell, then US West Communications, Inc. from 1991 to 2000. It includes the former operations of Malheur Bell, Northwestern Bell and Pacific Northwest Bell as well.
Malheur Home Telephone Company, commonly known as Malheur Bell, was a rural telephone company operating in Oregon. It was a wholly owned subsidiary of Qwest Corporation, the Bell Operating Company of Qwest Communications International.
Comcast MO Group, Inc. is a telecommunications company created by US West Inc. in 1998 following US West's acquisition of Boston-based Continental Cable. The company combined Continental with Wometco/GTC, which US West had previously acquired. Wometco/GTC had adopted the MediaOne name a year earlier. Media One Group was acquired in 2000 by AT&T Broadband, which was subsequently acquired by Comcast in 2002.
1600 Seventh is a 32-story, 498 ft (152 m) skyscraper in Seattle, Washington, United States. Designed by John Graham & Company, it was completed in 1976; as of 2022, it is the 22nd-tallest building in the city. Originally built as the headquarters of Pacific Northwest Bell, it was first known as the Pacific Northwest Bell Building during construction and subsequently as 1600 Bell Plaza upon opening; it was later known as Bell Plaza and Qwest Plaza under US West and Qwest ownership.
Qwest Communications International, Inc. was a United States telecommunications carrier. Qwest provided local service in 14 western and midwestern U.S. states: Arizona, Colorado, Idaho, Iowa, Minnesota, Montana, Nebraska, New Mexico, North Dakota, Oregon, South Dakota, Texas, Utah, Washington, and Wyoming.
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.
Lumen Technologies, Inc. is an American telecommunications company headquartered in Monroe, Louisiana, which offers communications, network services, security, cloud solutions, voice and managed services through its fiber optic and copper networks, as well as its data centers and cloud computing services. The company has been included in the S&P 600 index since being removed from the S&P 500 in March 2023.
Southwestern Bell Telephone Company, LLC 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.
Pacific Telecom, Inc., originally Telephone Utilities, Inc. and now CenturyTel of the Northwest, Inc., was an independent telephone company that owned over 600,000 telephone lines in 12 states prior to its acquisition by CenturyTel.
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.
