ZIP Code 98850
Rock Island · Douglas, Washington
98850 is the ZIP code of Rock Island in Douglas, Washington, United States.
- ZIP Code
- 98850
- County
- Douglas
- State
- Washington
- Country
- United States
Place with ZIP code 98850
| Place | County | Location |
|---|---|---|
| Rock Island | Douglas | 47.371, -120.138 |
Nearby ZIP codes
Frequently asked questions
Which places use ZIP code 98850?
Rock Island.
Which county and state is 98850 in?
Douglas, Washington, United States.
Source: GeoNames postal codes (CC BY 4.0), geonames.org, retrieved 2026-10-22. Place coordinates are approximate. Check with the national postal service before sending anything valuable.