ZIP Code 94528
Diablo, California · Contra Costa County
No39940
Zip94528
TypePO BOX
Decommissioned0
Primary CityDiablo
Acceptable Cities—
Unacceptable Cities—
StateCA
LstateCalifornia
CountyContra Costa County
TimezoneAmerica/Los_Angeles
Area Codes925
World RegionNA
CountryUS
Latitude37,84
Longitude-121,96