Zip Area Code

Porterville, California

Porterville, California, in Tulare County, has ZIP codes 93257 and 93258 and area code 559, with 357 as an overlay.

ZIP codes
93257, 93258
Area codes
559, 357
Time zone
Pacific Time
Coordinates
36.0508, -119.0194

ZIP codes in Porterville

ZIP codePost officeCountyArea codes
93257PortervilleTulare County559, 357
93258PortervilleTulare County559, 357

Area codes for Porterville

  • 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

Porterville is in the Pacific Time zone.

Towns near Porterville