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Sonoma County Area Codes

About Sonoma County Area Codes

The county of Sonoma County, located in California, is served by 1 telephone area code(s) in this dataset. These calling codes cover cities, suburbs, and unincorporated communities across the county.

Major phone area codes used in Sonoma County include 707. The county mainly follows the America/Los_Angeles time zone.

Cities and towns served by these area codes in Sonoma County include Petaluma, Rohnert Park, Santa Rosa, Windsor.

List of Area Codes in Sonoma County, California

The table below lists all telephone area codes used in Sonoma County, California, along with their associated cities and time zones from this dataset.


S.N. Area Code Cities Time Zone(s)
1 707 Petaluma, Rohnert Park, Santa Rosa, Windsor America/Los_Angeles


Related Area Code Pages

Explore related area code resources on Burning Compass:

  • All area codes in California
  • Individual area code details are available from the table above.

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