Walnut Creek zipcode
| City | Walnut Creek |
| ZIP Code | 94597 |
| Type | Standard |
| State Code | CA |
| State | California |
ZIP code of Walnut Creek is 94597. This place is located in California state in US. To send any postal service to Walnut Creek, you must use 94597 zipcode.
The ZIP code 94597 is also used with 1 more city name of California.
- Lafayette, CA