ZIP Code 94028 – Portola Valley, California | ZipsCode.us
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ZIP Code 94028
Portola Valley, California · San Mateo
ZIP code 94028 belongs to the city of Portola Valley in California (San Mateo). See all California ZIP Codes.
ZIP code 94028 belongs to Portola Valley, California, in San Mateo. If you are mailing a letter or package to this area, use Portola Valley, CA 94028 in the address. On this page you will find the city and county for 94028, nearby ZIP codes in the same county, and free tools to look up any address in this ZIP code.
What City Is ZIP Code 94028?
The city for ZIP code 94028 is Portola Valley, California. When you write an address in this area, the correct format is: Name, Street Address, Portola Valley, CA 94028.
ZIP Code 94028 County and State
ZIP code 94028 is located in San Mateo, California. For a complete list of cities and ZIP codes across the state, see the California ZIP Codes page.
Nearby ZIP Codes in San Mateo
These ZIP codes are in the same county as 94028:
ZIP Code 94028 on the Map
The map below shows the approximate center of ZIP code 94028, near Portola Valley, California. You can zoom in and drag the map to explore the area.
Map center is approximate (ZIP area center, around 37.3702, -122.2182). Map data © OpenStreetMap.
Population and Demographics of ZIP Code 94028
According to public U.S. Census Bureau data, ZIP code 94028 is home to a community in California. The figures below come from the U.S. Census and the American Community Survey (ACS).
Source: U.S. Census Bureau, American Community Survey (ACS) 2023 5-year estimates and 2023 Gazetteer. Figures are estimates and change with each new survey.
Find an Address in ZIP Code 94028
Need the full ZIP+4 code for a specific street address in Portola Valley? Use the free ZIP+4 Lookup tool, or find any ZIP code from a street address with the ZIP Code by Address tool.
Frequently Asked Questions
What city is ZIP code 94028?
ZIP code 94028 is for Portola Valley, California.
What county is ZIP code 94028 in?
ZIP code 94028 is in San Mateo, California.
What state is ZIP code 94028 in?
ZIP code 94028 is in California (CA).
How do I find the ZIP+4 for an address in 94028?
Use the free ZIP+4 Lookup tool with the full street address to get the complete 9-digit ZIP code.
What are the nearby ZIP codes to 94028?
Nearby ZIP codes include 94002 (Belmont), 94005 (Brisbane), 94010 (Burlingame), 94011 (Burlingame), 94014 (Daly City).
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