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Pages in category "Defunct telecommunications companies of the United States" The following 98 pages are in this category, out of 98 total.
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In 1990, the company acquired Telecom*USA and became the second-largest telecommunications company in the U.S., with a fiber-optic network spanning more than 46,000 miles. The company offered more than 50 services in more than 150 countries that included voice, data, and telex transmissions, MCI Mail and MCI Fax. [25]
Claro Puerto Rico, which serves every exchange in Puerto Rico, has been owned by the international telecommunications giant América Móvil since in 2007. Ziply Fiber, which serves ex-GTE areas in the Pacific Northwest that they bought from Frontier. Many other individual communities or smaller regions are also served by non-RBOC companies.
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 agencies.
In 1980, United Telecommunications began working on a 23,000 mile fiber optic network for long-distance calls. [24] In 1989, this long-distance business became profitable for the company for the first time. [24] In 1990, Henson retired from United Telecommunications; by this time the company's revenues had grown to $8 billion. [24]
Level 3 Communications, Inc. was an American multinational telecommunications and Internet service provider company headquartered in Broomfield, Colorado. [4] It ultimately became a part of CenturyLink (now Lumen Technologies), where Level 3 President and CEO Jeff Storey was installed as Chief Operating Officer, becoming CEO of CenturyLink one year later in a prearranged succession plan.
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.