Clarkston, WA
ZIP Codes in Clarkston, Washington
January 21, 2026
| ZIP Code | Population | Coordinates |
|---|---|---|
| 99403 | 20,425 | 46.3755, -117.2903 |
Clarkston has 1 ZIP code
ZIP Codes in Clarkston, Washington
January 21, 2026
| ZIP Code | Population | Coordinates |
|---|---|---|
| 99403 | 20,425 | 46.3755, -117.2903 |