ZIP Code 94598
Walnut Creek · Contra Costa, California
94598 is the ZIP code of Walnut Creek in Contra Costa, California, United States.
- ZIP Code
- 94598
- County
- Contra Costa
- State
- California
- Country
- United States
Place with ZIP code 94598
| Place | County | Location |
|---|---|---|
| Walnut Creek | Contra Costa | 37.919, -122.026 |
Near San Francisco
The nearest major city is San Francisco, about 38 km away.
Nearby ZIP codes
Frequently asked questions
Which places use ZIP code 94598?
Walnut Creek.
Which county and state is 94598 in?
Contra Costa, California, United States.
What is the nearest major city to 94598?
San Francisco, about 38 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.