ZIP Code 94027
Atherton · San Mateo, California
94027 is the ZIP code of Atherton in San Mateo, California, United States.
- ZIP Code
- 94027
- County
- San Mateo
- State
- California
- Country
- United States
Place with ZIP code 94027
| Place | County | Location |
|---|---|---|
| Atherton | San Mateo | 37.456, -122.200 |
Near San Jose
The nearest major city is San Jose, about 30 km away.
Nearby ZIP codes
Frequently asked questions
Which places use ZIP code 94027?
Atherton.
Which county and state is 94027 in?
San Mateo, California, United States.
What is the nearest major city to 94027?
San Jose, about 30 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.