Postal entity record
US 98611 Postal Code Data Source-backed
98611 postal code facts for Castle Rock, US: region, coordinates, source, and nearby postal codes.
CountryUS
PlaceCastle Rock
RegionWA
Nearby rows12
Key metadata
| Place | Castle Rock |
|---|---|
| Admin area | Washington / WA |
| Local area | Cowlitz |
| Coordinates | 46.2783, -122.9139 |
| GeoNames accuracy | 4 |
| Source | GeoNames postal code data |
| License | GeoNames postal data; provided as-is with attribution required. |
| Snapshot date | 2026-06-02 |
Nearby postal codes
| Code | Place | Region | Distance |
|---|---|---|---|
| 98645 | Silverlake | Washington | 7.6 mi |
| 98593 | Vader | Washington | 8.6 mi |
| 98581 | Ryderwood | Washington | 9.1 mi |
| 98626 | Kelso | Washington | 9.1 mi |
| 98632 | Longview | Washington | 9.1 mi |
| 98591 | Toledo | Washington | 11.9 mi |
| 98649 | Toutle | Washington | 12.8 mi |
| 98609 | Carrolls | Washington | 14.5 mi |
| 98596 | Winlock | Washington | 14.9 mi |
| 97048 | Rainier | Oregon | 15 mi |
| 98538 | Curtis | Washington | 18.7 mi |
| 98625 | Kalama | Washington | 19 mi |