ZIP Code 91788
Walnut, California · Los Angeles County
No38748
Zip91788
TypePO BOX
Decommissioned0
Primary CityWalnut
Acceptable Cities—
Unacceptable Cities—
StateCA
LstateCalifornia
CountyLos Angeles County
TimezoneAmerica/Los_Angeles
Area Codes909
World RegionNA
CountryUS
Latitude34,01
Longitude-117,86