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Area codes 559 and 357 are telephone area codes in the North American Numbering Plan for the central San Joaquin Valley in central California. The numbering plan area includes the counties of Fresno, Madera, Kings, and Tulare, an area largely coextensive with the Fresno and Visalia-Porterville metropolitan areas. Area code 559 was placed in service in…
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area code 209 559 fresno madera tulare numbering plan codes central california kings 357 service relief telephone north american san
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