ZIP Code 94028
Portola Valley, California · San Mateo County
No39749
Zip94028
TypeSTANDARD
Decommissioned0
Primary CityPortola Valley
Acceptable CitiesMenlo Park, Portola Vally
Unacceptable CitiesMenlo Pk
StateCA
LstateCalifornia
CountySan Mateo County
TimezoneAmerica/Los_Angeles
Area Codes650
World RegionNA
CountryUS
Latitude37,37
Longitude-122,21