About ZIP code 98611
The ZIP code 98611 routes mail to Castle Rock in the Washington region of United States. Use it as the postal segment of any address in this area, and confirm unusual addresses with the local postal operator.
United States ยท ZIP code
98611 - Castle Rock
ZIP code 98611 is Castle Rock in Washington, United States.
| ZIP code | 98611 |
| Place | Castle Rock |
| Region | Washington |
| District | Cowlitz |
| Country | United States (US) |
| Coordinates | 46.2783, -122.9139 (map) |