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In the following states and regions, the primary local carrier is not an RBOC: Lumen Technologies, in addition to its role as the BOC in the areas of 14 states gained from its acquisition of Qwest, Lumen serves other non-ex-Bell local exchanges in those states, as well as some in Florida and the Las Vegas metropolitan area in Nevada.
As phone systems became more sophisticated, less direct intervention by the telephone operator was necessary to complete calls. With the development of computerized telephone dialing systems, many telephone calls which previously required live operators could be placed directly by calling parties without additional human intervention.
After AT&T installed company-controlled Employees' Committees, the Telephone Operators Department eventually disbanded. [4] The CWA's roots lie in the 1938 reorganization of telephone workers into the National Federation of Telephone Workers after the Wagner Act outlawed such employees' committees or "company unions". NFTW was a federation of ...
List of mobile network operators in Canada; List of mobile network operators of the Caribbean; Mobile network operator; Mobile phone; Mobile virtual network operator; List of sovereign states by number of broadband Internet subscriptions; List of countries by number of Internet users; List of countries by number of telephone lines in use
The telephone played a major communications role in American history from the 1876 publication of its first patent by Alexander Graham Bell onward. In the 20th century the American Telephone and Telegraph Company (AT&T) dominated the telecommunication market as the at times largest company in the world, until it was broken up in 1982 and replaced by a system of competitors.
Mobile virtual network operators (MVNOs) in the United States lease wireless telephone and data service from major carriers such as AT&T Mobility, T-Mobile US, or Verizon Wireless, as well as regional carrier United States Cellular Corporation for resale. The largest operator of MVNOs is TracFone Wireless with over 25 million subscribers.