Portola Valley, CA ZIP Codes, Coordinates & Counties
Portola Valley, California has 1 ZIP code in San Mateo county. The approximate center of Portola Valley is 37.379, -122.215. Portola Valley has about 14,720 known street addresses.
ZIP codes in Portola Valley, CA
| ZIP Code | County | Latitude | Longitude |
|---|---|---|---|
| 94028 | San Mateo | 37.379 | -122.215 |
Counties Portola Valley spans
San Mateo
Most common streets in Portola Valley
Alpine, Westridge, Grove, Wayside, Wyndham, Ramona, Old Spanish, Bonita, Alamos, Willowbrook
Frequently asked questions
What ZIP codes are in Portola Valley, CA?
Portola Valley, California has 1 ZIP code, ranging from 94028 to 94028. The full list, with each ZIP's county and coordinates, is in the table on this page.
What county is Portola Valley, CA in?
Portola Valley is in San Mateo county.
What are the latitude and longitude of Portola Valley, CA?
The approximate center of Portola Valley, California is latitude 37.379, longitude -122.215. Coordinates for each ZIP code are listed in the table above.
How many ZIP codes does Portola Valley, CA have?
Portola Valley has 1 ZIP code.
How many addresses are in Portola Valley, CA?
Portola Valley, California has about 14,720 known street addresses in the sthan.io US address database.
What are the most common streets in Portola Valley, CA?
Some of the most common street names in Portola Valley are Alpine, Westridge, Grove, Wayside, Wyndham, Ramona.
What cities are near Portola Valley, CA?
Cities near Portola Valley include Stanford (4 mi), Atherton (5 mi), Palo Alto (5 mi), Los Altos (6 mi), Menlo Park (6 mi).
Cities near Portola Valley
Stanford, CA (4 mi) Atherton, CA (5 mi) Palo Alto, CA (5 mi) Los Altos, CA (6 mi) Menlo Park, CA (6 mi) La Honda, CA (7 mi) Redwood City, CA (7 mi) Loma Mar, CA (8 mi)
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View the API →Last updated: June 2026 · Data: sthan.io US address database