Zip Area Code

Grass Valley, California

Grass Valley, California, in Nevada County, has ZIP codes 95945 and 95949 and area code 530, with 837 as an overlay.

ZIP codes
95945, 95949
Area codes
530, 837
Time zone
Pacific Time
Coordinates
39.1637, -121.0504

ZIP codes in Grass Valley

ZIP codePost officeCountyArea codes
95945Grass ValleyNevada County530, 837
95949Grass ValleyNevada County530, 837

Area codes for Grass Valley

  • Area code 530

    In service since November 1, 1997. Shares its area with 837. Local calls are dialed with 1 plus ten digits.

  • Area code 837

    In service since January 31, 2025. Shares its area with 530. 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

Grass Valley is in the Pacific Time zone.

Towns near Grass Valley