Zip Area Code

Petrolia, California

Petrolia, California, in Humboldt County, has ZIP code 95558 and area code 707, with 369 as an overlay.

ZIP code
95558
Area codes
707, 369
Time zone
Pacific Time
Coordinates
40.2868, -124.2271

ZIP codes in Petrolia

ZIP codePost officeCountyArea codes
95558PetroliaHumboldt County707, 369

Area codes for Petrolia

  • 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

Petrolia is in the Pacific Time zone.

Towns near Petrolia