Zip Area Code

Castella, California

Castella, California, in Shasta County, has ZIP code 96017 and area code 530, with 837 as an overlay.

ZIP code
96017
Area codes
530, 837
Time zone
Pacific Time
Coordinates
41.1103, -122.3161

ZIP codes in Castella

ZIP codePost officeCountyArea codes
96017CastellaShasta County530, 837

Area codes for Castella

  • 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

Castella is in the Pacific Time zone.

Towns near Castella