Rock Island, WA
ZIP Codes in Rock Island, Washington
January 21, 2026
| ZIP Code | Population | Coordinates |
|---|---|---|
| 98850 | 1,749 | 47.4053, -120.0387 |
Rock Island has 1 ZIP code
ZIP Codes in Rock Island, Washington
January 21, 2026
| ZIP Code | Population | Coordinates |
|---|---|---|
| 98850 | 1,749 | 47.4053, -120.0387 |