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Area code 707

The map above is now clickable; click on an area code to go to the page for that area code. The area code in red is Area Code 707; all others in blue are California area codes.

Area code 707 is a California telephone area code that was split from area code 415 on March 1, 1959. It covers the northwestern portion of the state of California. It serves the far northern fringe of the San Francisco Bay Area, as well as the North Coast and the northwestern portion of the state. Major cities in the area code include Napa, Sebastopol, Vallejo, Benicia, Fairfield, Santa Rosa, Healdsburg, Rohnert Park, Petaluma, Fort Bragg, Crescent City, Eureka, Clearlake, Vacaville, Ukiah, and northwestern California.

When 707 came online, it was the last new area code in California until 619 in 1982, thus it completed what could be seen as California's "stable eight" (along with 213, 415, 916, 714, 408, 805, and 209). Furthermore, it is the only one of those eight area codes that has not been further split. This is despite explosive growth in the area, particularly its southern portion, as well as the proliferation of cell phones and pagers. However, when area code 916 split into area code 530 on November 1, 1997, the Dixon area moved from area code 916 to 707 and also from the Sacramento LATA into the San Francisco LATA.


  • List of cities and towns 1
    • Del Norte County 1.1
    • Humboldt County 1.2
    • Lake County 1.3
    • Marin County 1.4
    • Mendocino County 1.5
    • Napa County 1.6
    • Solano County 1.7
    • Sonoma County 1.8
    • Trinity County 1.9
  • See also 2
  • External links 3

List of cities and towns

Del Norte County

Humboldt County

Lake County

Marin County

Mendocino County

Napa County

Solano County

Sonoma County

Trinity County

See also

External links

  • NANPA Area Code Map of California
California area codes: 209, 213, 310/424, 323, 408/669, 415, 442/760, 510, 530, 559, 562, 619, 626, 650, 657/714, 661, 707, 747/818, 805, 831, 858, 909, 916, 925, 949, 951
North: 541
West: Pacific Ocean area code 707 East: 530, 916
South: 415, 510, 925
Oregon area codes: 458, 503, 541, 971

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