Zip Area Code

Walnut Creek, California

Walnut Creek, California, in Contra Costa County, has ZIP codes 94595, 94596, 94597 and 94598 and area code 925.

ZIP codes
94595, 94596, 94597, 94598
Area code
925
Time zone
Pacific Time
Coordinates
37.9046, -122.0557

ZIP codes in Walnut Creek

ZIP codePost officeCountyArea codes
94595Walnut CreekContra Costa County925
94596Walnut CreekContra Costa County925
94597Walnut CreekContra Costa County925
94598Walnut CreekContra Costa County925

Area code for Walnut Creek

  • Area code 925

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

Time zone

Walnut Creek is in the Pacific Time zone.

Towns near Walnut Creek