Dayton, WA
ZIP Codes in Dayton, Washington
January 21, 2026
| ZIP Code | Population | Coordinates |
|---|---|---|
| 99328 | 3,669 | 46.2757, -117.8709 |
Dayton has 1 ZIP code
ZIP Codes in Dayton, Washington
January 21, 2026
| ZIP Code | Population | Coordinates |
|---|---|---|
| 99328 | 3,669 | 46.2757, -117.8709 |