ZIP Code 94597
Walnut Creek, California · Contra Costa County
No40004
Zip94597
TypeSTANDARD
Decommissioned0
Primary CityWalnut Creek
Acceptable CitiesLafayette
Unacceptable Cities—
StateCA
LstateCalifornia
CountyContra Costa County
TimezoneAmerica/Los_Angeles
Area Codes925
World RegionNA
CountryUS
Latitude37,91
Longitude-122,07