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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.
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.
Today, the 415 area code and its overlay area code 628 serve the greater San Francisco Bay area, including the City and County of San Francisco, the majority of Marin County and a small portion of San Mateo County. Cities served by the 415 and the 628 area codes include, in addition to the City of San Francisco, the cities of Brisbane, Daly ...
800–899. 900–999. Area codes by country, state, province, and regions. Future area codes are in italic type face. United States. Canada. Caribbean and Atlantic islands. Area codes in the Caribbean; those beginning with +1 are part of the North American Numbering Plan. U.S. Pacific territories. Non-geographic area codes. Assignment actions by year.
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.
This is a list of area codes in the state of Ohio . History. The first nationwide telephone numbering plan of 1947 divided Ohio into four numbering plan areas (NPAs), one each for a quadrant of the state: 216, 419, 513, and 614. In 1996, 330 and 937 were added by splitting existing NPAs.
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