Kelso, WA
ZIP Codes in Kelso, Washington
January 21, 2026
| ZIP Code | Population | Coordinates |
|---|---|---|
| 98626 | 27,000 | 46.1722, -122.7735 |
Kelso has 1 ZIP code
ZIP Codes in Kelso, Washington
January 21, 2026
| ZIP Code | Population | Coordinates |
|---|---|---|
| 98626 | 27,000 | 46.1722, -122.7735 |