ZIP Code 94403
San Mateo, California · San Mateo County
No39911
Zip94403
TypeSTANDARD
Decommissioned0
Primary CitySan Mateo
Acceptable Cities—
Unacceptable Cities—
StateCA
LstateCalifornia
CountySan Mateo County
TimezoneAmerica/Los_Angeles
Area Codes650
World RegionNA
CountryUS
Latitude37,54
Longitude-122,3