Onalaska, WA
ZIP Codes in Onalaska, Washington
January 21, 2026
| ZIP Code | Population | Coordinates |
|---|---|---|
| 98570 | 4,417 | 46.6307, -122.6509 |
Onalaska has 1 ZIP code
ZIP Codes in Onalaska, Washington
January 21, 2026
| ZIP Code | Population | Coordinates |
|---|---|---|
| 98570 | 4,417 | 46.6307, -122.6509 |