Palo Alto, CA ZIP Codes, Coordinates & Counties
Palo Alto, California has 4 ZIP codes across 2 counties (San Mateo and Santa Clara). The approximate center of Palo Alto is 37.423, -122.143. Palo Alto has about 197,923 known street addresses.
ZIP codes in Palo Alto, CA
| ZIP Code | County | Latitude | Longitude |
|---|---|---|---|
| 94301 | Santa Clara | 37.444 | -122.15 |
| 94303 | San Mateo | 37.45 | -122.119 |
| 94304 | Santa Clara | 37.382 | -122.174 |
| 94306 | Santa Clara | 37.416 | -122.131 |
Counties Palo Alto spans
San Mateo and Santa Clara
Most common streets in Palo Alto
University, Emerson, California, Park, Cowper, Bryant, Alma, El Camino Real, Waverley, Forest
Frequently asked questions
What ZIP codes are in Palo Alto, CA?
Palo Alto, California has 4 ZIP codes, ranging from 94301 to 94306. The full list, with each ZIP's county and coordinates, is in the table on this page.
What county is Palo Alto, CA in?
Palo Alto spans San Mateo and Santa Clara counties.
What are the latitude and longitude of Palo Alto, CA?
The approximate center of Palo Alto, California is latitude 37.423, longitude -122.143. Coordinates for each ZIP code are listed in the table above.
How many ZIP codes does Palo Alto, CA have?
Palo Alto has 4 ZIP codes.
How many addresses are in Palo Alto, CA?
Palo Alto, California has about 197,923 known street addresses in the sthan.io US address database.
What are the most common streets in Palo Alto, CA?
Some of the most common street names in Palo Alto are University, Emerson, California, Park, Cowper, Bryant.
What cities are near Palo Alto, CA?
Cities near Palo Alto include Stanford (2 mi), Menlo Park (3 mi), Atherton (4 mi), Mountain View (4 mi), Los Altos (5 mi).
Cities near Palo Alto
Stanford, CA (2 mi) Menlo Park, CA (3 mi) Atherton, CA (4 mi) Mountain View, CA (4 mi) Los Altos, CA (5 mi) Portola Valley, CA (5 mi) Redwood City, CA (7 mi) Sunnyvale, CA (7 mi)
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View the API →Last updated: June 2026 · Data: sthan.io US address database