Castle Rock, WA
ZIP Codes in Castle Rock, Washington
January 21, 2026
| ZIP Code | Population | Coordinates |
|---|---|---|
| 98611 | 9,341 | 46.3051, -122.9007 |
Castle Rock has 1 ZIP code
ZIP Codes in Castle Rock, Washington
January 21, 2026
| ZIP Code | Population | Coordinates |
|---|---|---|
| 98611 | 9,341 | 46.3051, -122.9007 |