Kennewick zipcode
| City | Kennewick |
| ZIP Code | 99338 |
| Type | Standard |
| State Code | WA |
| State | Washington |
ZIP code of Kennewick is 99338. This place is located in Washington state in US. To send any postal service to Kennewick, you must use 99338 zipcode.
You should avoid following 1 city name of Washington to be used with the ZIP code 99338.
- Pasco, WA