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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.
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.
The Pacific Northwest Bell Telephone Company was an American telecommunications company based in Seattle, Washington. It was a local exchange carrier for the Bell System, the AT&T Corporation-controlled network of companies, providing telecommunications services in Oregon, Washington, and northern Idaho. Pacific Northwest Bell was formed in 1961 when it was spun off from the Pacific Telephone and Telegraph Company. Pacific Northwest Bell was split from AT&T in 1984 as ordered in the settlement of United States v. AT&T and became a subsidiary of US West, a then-newly formed Regional Bell Operating Company. US West consolidated its three main operating subsidiaries in 1991. US West merged with Qwest in 2000, and the US West brand was replaced by the Qwest brand. Qwest Communications merged with Louisiana-based CenturyLink in 2011, and the Qwest brand was replaced by the CenturyLink brand. It now does business with the Lumen Technologies brand as of 2020.
Embarq Corporation was the largest independent local exchange carrier in the United States, serving customers in 18 states and providing local, long-distance, high-speed data and wireless services to residential and business customers. It had been formerly the local telephone division (LTD) of Sprint Nextel until 2006, when it was spun off as an independent company. Embarq produced more than $6 billion in revenues annually, and had approximately 18,000 employees. It was based in Overland Park, Kansas.
Qwest Corporation, doing business as CenturyLink QC, 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.
Centel Corporation was an American telecommunications company, with primary interests in providing basic telephone service, cellular phone service and cable television service.
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.
Embarq Missouri, Inc. was a telephone operating company providing local telephone services in Kansas and Missouri owned by BrightSpeed.
CenturyLink of Florida, Inc. is a telephone operating company providing local telephone services in Florida owned by Lumen Technologies.
Central Telephone Company of Virginia is a telephone company owned by Brightspeed that provides a local telephone service within the commonwealth of Virginia, USA.
CenturyLink of Minnesota, Inc. is a telephone operating company providing local telephone services in Minnesota.
CenturyTel of Colorado, Inc. is a telephone operating company owned by Lumen Technologies that provides local telephone service in Colorado, including Pagosa Springs. The company is separate from CenturyTel of Eagle and Qwest Corporation, the other local telephone companies CenturyLink owns in Colorado.
CenturyLink of Nevada, LLC, formerly the Central Telephone Company is a telephone operating company owned by Lumen Technologies that provides local telephone service in portions of Nevada. Its largest market is Las Vegas
Brightspeed of Texas, Inc. is a telephone operating company owned by Connect Holding that provides local telephone and internet service in Texas. The company serves communities in Texas such as Killeen, Copperas Cove, Athens, Gatesville, Harker Heights, Humble, Hutto, Kingwood, Porter, San Marcos, Stephenville, and Tyler.
CenturyTel of Chester, Inc. is a telephone operating company owned by Lumen Technologies that provides local telephone service in Chester, Iowa and areas of Minnesota directly north.
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.
Prism TV is an American IPTV service owned by Lumen Technologies. It is based on the same technology as the U-verse service deployed by AT&T.
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