Zip Area Code

Riverdale, California

Riverdale, California, in Fresno County, has ZIP code 93656 and area code 559, with 357 as an overlay.

ZIP code
93656
Area codes
559, 357
Time zone
Pacific Time
Coordinates
36.4295, -119.8720

ZIP codes in Riverdale

ZIP codePost officeCountyArea codes
93656RiverdaleFresno County559, 357

Area codes for Riverdale

  • Area code 559

    In service since November 14, 1998. Shares its area with 357. Local calls are dialed with 1 plus ten digits; dialing ten digits also works.

  • Area code 357

    In service since March 26, 2025. Shares its area with 559. Local calls are dialed with 1 plus ten digits; dialing ten digits also works.

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

Riverdale is in the Pacific Time zone.

Towns near Riverdale