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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 and replaced by a system of competitors.
30 October 1891: The independent Strowger Automatic Telephone Exchange Company is formed. 3 May 1892: Thomas Edison awarded patents for the carbon microphone based on applications lodged in 1877. 18 October 1892: Opening of telephone service between New York and Chicago (950 miles).
A public service company (or public utility company) is a corporation or other non-governmental business entity (i.e. limited partnership) which delivers public services - certain services considered essential to the public interest. The ranks of such companies include public utility companies like natural gas, pipeline, electricity, and water ...
As phone lines became more popular—between 1942 and 1962, the number of phones in the U.S. grew 230% to 76 million—telephone companies realized they would run out of phone numbers.
Telephone service in Sweden developed through a variety of institutional forms: the International Bell Telephone Company (a U.S. multinational), town and village co-operatives, the General Telephone Company of Stockholm (a Swedish private company), and the Swedish Telegraph Department (part of the Swedish government). Since Stockholm consists ...
The public switched telephone network ( PSTN) is the aggregate of the world's telephone networks that are operated by national, regional, or local telephony operators. It provides infrastructure and services for public telephony. The PSTN consists of telephone lines, fiber-optic cables, microwave transmission links, cellular networks ...
Telephone and Data Systems, (through its subsidiary TDS) serves mainly rural areas in parts of 36 states. Cincinnati Bell, which serves the greater Cincinnati area, and Hawaii due to its acquisition of Hawaiian Telcom was not included in the Bell System breakup of 1984 because the former AT&T held only a minority stake in that company.
The Chesapeake and Potomac Telephone Company, usually known as C&P Telephone, is a former d/b/a name for four Bell Operating Companies providing service to Washington, D.C., Maryland, West Virginia, and Virginia . Today, three of the companies are owned by Verizon Communications: The Chesapeake and Potomac Telephone Company (DC), The Chesapeake ...