ZIP Code 94521
Concord · Contra Costa, California
94521 is the ZIP code of Concord in Contra Costa, California, United States.
- ZIP Code
- 94521
- County
- Contra Costa
- State
- California
- Country
- United States
Place with ZIP code 94521
| Place | County | Location |
|---|---|---|
| Concord | Contra Costa | 37.958, -121.975 |
Near San Francisco
The nearest major city is San Francisco, about 44 km away.
Nearby ZIP codes
Frequently asked questions
Which places use ZIP code 94521?
Concord.
Which county and state is 94521 in?
Contra Costa, California, United States.
What is the nearest major city to 94521?
San Francisco, about 44 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.