Zip Area Code

Pinole, California

Pinole, California, in Contra Costa County, has ZIP code 94564 and area code 510, with 341 as an overlay.

ZIP code
94564
Area codes
510, 341
Time zone
Pacific Time
Coordinates
37.9969, -122.2875

ZIP codes in Pinole

ZIP codePost officeCountyArea codes
94564PinoleContra Costa County510, 341

Area codes for Pinole

  • Area code 510

    In service since September 2, 1991. Shares its area with 341. Local calls are dialed with 1 plus ten digits.

  • Area code 341

    In service since July 22, 2019. Shares its area with 510. 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

Pinole is in the Pacific Time zone.

Towns near Pinole