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AT&T, an abbreviation for its former name, the American Telephone and Telegraph Company, was an American telecommunications company that provided voice...

List of international call prefixes List of North American Numbering Plan area codes Area codes in the Caribbean Category:Telephone numbers by country...

National Bell Telephone Company merged with American Speaking Telephone Company on March 20, 1880, to form the American Bell Telephone Company, also of...

A telephone is a telecommunications device that permits two or more users to conduct a conversation when they are too far apart to be easily heard directly...

The North American Numbering Plan (NANP) is a telephone numbering plan for twenty-five regions in twenty countries, primarily in North America and the Caribbean...

being an abbreviation for its former name, the American Telephone and Telegraph Company) is an American multinational telecommunications holding company...

A telephone number is a sequence of digits assigned to a landline telephone subscriber station connected to a telephone line or to a wireless electronic...

The telephone played a major communications role in American history from the 1876 publication of its first patent by Alexander Graham Bell onward. In...

Telephone Company and later by the American Telephone and Telegraph Company (AT&T), that dominated the telephone services industry in North America for...

1947 when the American Telephone and Telegraph Company (AT&T) designed the first comprehensive telephone numbering plan for the North American continent for...

reformed into Bell Telephone Laboratories in 1925 and placed under the shared ownership of Western Electric and the American Telephone and Telegraph Company...

local telephone service to many areas of the U.S. through operating companies, much as American Telephone & Telegraph provided local telephone service...

This is a list of United States telephone companies. The Regional Bell Operating Companies (RBOCs) are the result of the break-up of the Bell System in...

of the telephone chronicles the development of the electrical telephone, and includes a brief overview of its predecessors. The first telephone patent...

of the telephone covers landline, radio, and cellular telephony technologies and provides many important dates in the history of the telephone. 1667:...

the American Telephone and Telegraph Company (AT&T) devised the first nationwide telephone numbering plan and assigned the original North American area...

Advanced American Telephones, is a telephone manufacturing company. American Bell Consumer Products was created on January 1, 1983, as a unit of American Bell...

produced the previous post-war desktop telephone types for the American Telephone & Telegraph Company. Hand telephone sets in the Bell System were first designed...

Telephone Building, Old Telephone Building, Telephone Company Building, or variations with abbreviations or otherwise, may refer to: American Telephone...

The public switched telephone network (PSTN) is the aggregate of the world's telephone networks that are operated by national, regional, or local telephony...