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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]
In April 1980 the Farm registered as a Provident Society; it has now become a community benefit society. [3] In June 1986 the farm was re-located to its present site, a new 2.2-acre (8,900 m 2) site on the River Thames at South Wharf. During the working lifetime of the docks South Wharf formed part of the largest shipyard on the Rotherhithe ...
Area codes 415 and 628 are telephone area codes in the North American Numbering Plan (NANP) for the city of San Francisco and its northern suburbs in Marin County (across the Golden Gate), and the northeast corner of San Mateo County in the U.S. state of California.
In 1947, the American Telephone and Telegraph Company (AT&T) devised the first nationwide telephone numbering plan and assigned the original North American area codes. The state of California was divided into three numbering plan areas (NPAs) with distinct area codes : 213 , 415 , and 916 , for the southern, central, and northern parts of the ...
Until the late 1970s, central office code protection was maintained between area codes 415 and 408, so that Telephone numbers were not duplicated across, and subscribers could dial seven-digit San Francisco or Berkeley numbers without dialing an area code. Population growth, facsimile machines, and pagers caused demands for numbers to outrun ...
October 10, 1975 (Hyde Street Pier, San Francisco Maritime National Historical Park, 2905 Hyde Street: Fisherman's Wharf: Flat-bottomed scow schooner built in 1891 to haul goods on and around San Francisco Bay and river delta areas.
Area code 650 is a telephone area code in the North American Numbering Plan (NANP) for the San Francisco Bay Area in the U.S. state of California. It was split from area code 415 on August 2, 1997, and includes most of San Mateo County (except the northernmost portion), part of San Francisco , and the northwestern portion of Santa Clara County ...
The San Francisco Historical Society was founded in 1988 by historian Charles A. Fracchia. [1]In February 2002, the San Francisco Historical Society merged with the Museum of the City of San Francisco to create the San Francisco Museum and Historical Society, [2] which the San Francisco municipal government recognized as the official historical museum of San Francisco. [3]