ZIP Code 94303
Palo Alto · San Mateo, California
94303 is the ZIP code of Palo Alto in San Mateo, California, United States.
- ZIP Code
- 94303
- County
- San Mateo
- State
- California
- Country
- United States
Place with ZIP code 94303
| Place | County | Location |
|---|---|---|
| Palo Alto | San Mateo | 37.467, -122.139 |
Near San Jose
The nearest major city is San Jose, about 26 km away.
Nearby ZIP codes
Frequently asked questions
Which places use ZIP code 94303?
Palo Alto.
Which county and state is 94303 in?
San Mateo, California, United States.
What is the nearest major city to 94303?
San Jose, about 26 km away.
Source: GeoNames postal codes (CC BY 4.0), geonames.org, retrieved 2026-10-22. Place coordinates are approximate. Check with the national postal service before sending anything valuable.