Mattawa, WA
ZIP Codes in Mattawa, Washington
January 21, 2026
| ZIP Code | Population | Coordinates |
|---|---|---|
| 99349 | 7,531 | 46.7311, -119.7005 |
Mattawa has 1 ZIP code
ZIP Codes in Mattawa, Washington
January 21, 2026
| ZIP Code | Population | Coordinates |
|---|---|---|
| 99349 | 7,531 | 46.7311, -119.7005 |