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  2. List of California area codes - Wikipedia

    en.wikipedia.org/wiki/List_of_California_area_codes

    As of July 2023, California has 38 active area codes. Area code. Service area. Notes. 209. Stockton, Modesto, Merced, Turlock; the northern San Joaquin Valley and the central Sierra Nevada range. Split from 415 on October 26, 1957; split off 559 on November 14, 1998; overlaid with 350 on November 28, 2022. 213.

  3. Area codes 209 and 350 - Wikipedia

    en.wikipedia.org/wiki/Area_codes_209_and_350

    Area code 209 is shown in red. Area codes 209 and 350 are telephone area codes in the North American Numbering Plan (NANP) for the U.S. state of California. Their service area includes Stockton, Modesto, Turlock, Merced, Winton, Atwater, Livingston, Manteca, Ripon, Tracy, Lodi, Galt, Sonora, Los Banos, San Andreas, Mariposa, and Yosemite, the ...

  4. Area codes 916 and 279 - Wikipedia

    en.wikipedia.org/wiki/Area_codes_916_and_279

    Area code 916 was one of the first three original area codes established in California in October 1947. It originally covered most of Northern California, but area code splits have reduced its coverage to the greater Sacramento area. Area code 279 began service in March 2018 to relieve an exhausted supply of telephone numbers in the 916 area code.

  5. Area codes 213 and 323 - Wikipedia

    en.wikipedia.org/wiki/Area_codes_213_and_323

    Coordinates: 34.0552°N 118.2568°W. Numbering plan areas in California (blue) and border states. Area codes 213 and 323 are telephone area codes in the North American Numbering Plan (NANP) for the U.S. state of California. They are assigned in an overlay complex to a numbering plan area (NPA) that comprises, roughly, the area of downtown Los ...

  6. Area codes 310 and 424 - Wikipedia

    en.wikipedia.org/wiki/Area_codes_310_and_424

    Area codes 310 and 424 are telephone area codes in the North American Numbering Plan (NANP) for the U.S. state of California. The numbering plan area includes the West Los Angeles and South Bay areas of Los Angeles County , a small portion of Ventura County , and Santa Catalina Island , which is located 26 miles (42 km) south.

  7. List of North American Numbering Plan area codes - Wikipedia

    en.wikipedia.org/wiki/List_of_North_American...

    Canadian TWX service used area code 610 until 1992, when it was exchanged for 600. ... California's 40th area code; 838: New York (Albany, Schenectady, ...

  8. Area codes 415 and 628 - Wikipedia

    en.wikipedia.org/wiki/Area_codes_415_and_628

    Numbering plan areas in California (blue) and border states. Area codes 415 and 628 are shown in red. 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.

  9. Area code 661 - Wikipedia

    en.wikipedia.org/wiki/Area_code_661

    Area code 661. Coordinates: 35°N 118.7°W. Numbering plan areas in California (blue) and border states. Area code 661 is shown in red. Area code 661 is a telephone area code in the North American Numbering Plan for the southern part of the San Joaquin Valley and for the far northern part of the Los Angeles metropolitan area.