Zip Area Code

Saint Helena, California

Saint Helena, California, in Napa County, has ZIP code 94574 and area code 707, with 369 as an overlay.

ZIP code
94574
Area codes
707, 369
Time zone
Pacific Time
Coordinates
38.5138, -122.4619

ZIP codes in Saint Helena

ZIP codePost officeCountyArea codes
94574Saint HelenaNapa County707, 369

Area codes for Saint Helena

  • Area code 707

    In service since 1959. Shares its area with 369. Local calls are dialed with 1 plus ten digits.

  • Area code 369

    In service since February 1, 2023. Shares its area with 707. Local calls are dialed with 1 plus ten digits.

Area codes here are matched from telephone rate centers, so a place near a boundary can have local numbers from either side of it.

Time zone

Saint Helena is in the Pacific Time zone.

Towns near Saint Helena