Prosser, WA
ZIP Codes in Prosser, Washington
January 21, 2026
| ZIP Code | Population | Coordinates |
|---|---|---|
| 99350 | 14,287 | 46.1425, -119.7368 |
Prosser has 1 ZIP code
ZIP Codes in Prosser, Washington
January 21, 2026
| ZIP Code | Population | Coordinates |
|---|---|---|
| 99350 | 14,287 | 46.1425, -119.7368 |