Zip Area Code

Norris Canyon, California

No ZIP code carries the name of Norris Canyon, California, in Contra Costa County; the nearest ZIP codes are 94552, 94582 and 94583, in area codes 925 and 510 (overlay 341).

Nearest ZIP
94552, 94582, 94583
Area codes
925, 510, 341
Time zone
Pacific Time
Coordinates
37.7458, -121.9881

Nearest ZIP codes to Norris Canyon

These are the ZIP codes nearest to Norris Canyon, each listed with the post office it is named after.

ZIP codePost officeCountyArea codes
94552Castro ValleyAlameda County510, 341
94582San RamonContra Costa County925
94583San RamonContra Costa County925

Area codes for Norris Canyon

  • Area code 925

    In service since March 14, 1998. Local calls are dialed with 1 plus ten digits.

  • 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

Norris Canyon is in the Pacific Time zone.

Towns near Norris Canyon