ZIP Code 94404
San Mateo, California · San Mateo County
No39912
Zip94404
TypeSTANDARD
Decommissioned0
Primary CitySan Mateo
Acceptable CitiesFoster City
Unacceptable Cities—
StateCA
LstateCalifornia
CountySan Mateo County
TimezoneAmerica/Los_Angeles
Area Codes650
World RegionNA
CountryUS
Latitude37,55
Longitude-122,26