ZIP Code 94820
El Sobrante · Contra Costa, California
94820 is the ZIP code of El Sobrante in Contra Costa, California, United States.
- ZIP Code
- 94820
- County
- Contra Costa
- State
- California
- Country
- United States
Place with ZIP code 94820
| Place | County | Location |
|---|---|---|
| El Sobrante | Contra Costa | 37.977, -122.295 |
Near San Francisco
The nearest major city is San Francisco, about 25 km away.
Nearby ZIP codes
Frequently asked questions
Which places use ZIP code 94820?
El Sobrante.
Which county and state is 94820 in?
Contra Costa, California, United States.
What is the nearest major city to 94820?
San Francisco, about 25 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.