Zip Area Code

Fairfax, California

Fairfax, California, in Marin County, has ZIP codes 94930 and 94978 and area code 415, with 628 as an overlay.

ZIP codes
94930, 94978
Area codes
415, 628
Time zone
Pacific Time
Coordinates
37.9877, -122.5913

ZIP codes in Fairfax

ZIP codePost officeCountyArea codes
94930FairfaxMarin County415, 628
94978*FairfaxMarin County415, 628

* No mapped delivery area: P.O. boxes or a single organization. Area codes are those of the nearest ZIP code area.

Area codes for Fairfax

  • Area code 415

    In service since 1947. Shares its area with 628. Local calls are dialed with 1 plus ten digits.

  • Area code 628

    In service since March 21, 2015. Shares its area with 415. 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

Fairfax is in the Pacific Time zone.

Towns near Fairfax