ZIP Code 94020 is located in the county of San Mateo in the state of California. 94020 ZIP Code is spread between the coordinates of +37.3060635 Latitude and -122.24938451 Longitude. 94020 ZIP Code is part of the 650 area code. There is 1 postal office in zip code 94020.
On the below highlighted section you can find the cities which the US Post Office accepts for ZIP code 94020. Always when you mail a package or a letter, be attentive to mention the preferred or acceptable cities. Using any city in the list of unacceptable cities may result in unforseen delays.