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The AT&T Huron Road Building (formally known as the Ohio Bell Building) is an art deco skyscraper located at 750 Huron Road in downtown Cleveland, Ohio. It serves as the corporate headquarters for Ohio Bell, a regional telephone company owned by AT&T. The building has 24 stories and rises to a height of 365 ft (111 m). [1]
Telephone numbers listed in 1920 in New York City having three-letter exchange prefixes. In the United States, the most-populous cities, such as New York City, Philadelphia, Boston, and Chicago, initially implemented dial service with telephone numbers consisting of three letters and four digits (3L-4N) according to a system developed by W. G. Blauvelt of AT&T in 1917. [1]
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The AT&T Madison Complex Tandem Office is a 17-story, 79 m (259 ft) building in Los Angeles, California, completed in 1961.With its microwave tower, used through 1993, bringing the overall height to 137 m (449 ft), it is the 29th tallest building in Los Angeles.
The AT&T Building (formerly known as the SBC Building, the Ameritech Building and the Michigan Bell Building) was completed for the Michigan Bell Telephone Company in 1919 [1] and expanded in 1928. It is located at 1365 Cass Avenue, and occupies the block bordered by First Street, Cass Avenue, State Street, and Michigan Avenue .
The tallest building by height in the U.S. city of Columbus, Ohio, is the 41-story Rhodes State Office Tower, which rises 629 feet (192 m) and was completed in 1973. [1] The structure is the fifth-tallest completed building in the state, [2] and is also Ohio's tallest building that rises in the center of a city block. [1]
Whitacre Tower, also known as One AT&T Plaza, and formerly known as One Bell Plaza, is a 37-story high-rise in Downtown Dallas, built adjacent to the Akard Street Mall in 1984. The building is the headquarters for AT&T and Southwestern Bell Telephone , which operates as "AT&T Southwest".
A central office is defined as the telephone switch controlling connections for one or more central office prefixes. However, it also often denotes the building used to house the inside plant equipment for multiple telephone exchange areas. In North America, the term wire center may be used to denote a central office location, indicating a ...