Area Code 707

Area Code 707 is in California

Other California Area Codes
209, 213, 279, 310, 323, 341, 408, 415, 424, 442, 510, 530, 559, 562, 619, 626, 628, 650, 657, 661, 669, 707, 714, 747, 760, 805, 818, 820, 831, 840, 858, 909, 916, 925, 949, 951

California Area Code Overlays
(310 and 424) - (341 and 510)
(415 and 628) - (408 and 669
(714 and 657) - (760 and 442)
(818 and 747) - (820 and 805)
(916 and 279)

Area Code 707 History:

01/01/1959
Area code 707 was officially put into service. Area code 707 was created from a split of area code 415.

Counties in California within area code 707 include:

Del Norte County, Humboldt County, Lake County, Marin County, Mendocino County, Napa County, Solano County, Sonoma County, and Trinity County.

Major cities or places in California within area code 707 include:

Area code 707 serves most of northwest California including the larger cities and communities of Benicia, Eureka, Fairfield, Napa, Petaluma, Rohnert Park, Santa Rosa, Suisun City, Vacaville, Vallejo, and Windsor, in addition to many smaller communities within the area code 707 service area.

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