ZIP Code 98581
Ryderwood · Cowlitz, Washington
98581 is the ZIP code of Ryderwood in Cowlitz, Washington, United States.
- ZIP Code
- 98581
- County
- Cowlitz
- State
- Washington
- Country
- United States
Place with ZIP code 98581
| Place | County | Location |
|---|---|---|
| Ryderwood | Cowlitz | 46.375, -123.043 |
Near Portland
The nearest major city is Portland, about 99 km away.
Nearby ZIP codes
Frequently asked questions
Which places use ZIP code 98581?
Ryderwood.
Which county and state is 98581 in?
Cowlitz, Washington, United States.
What is the nearest major city to 98581?
Portland, about 99 km away.
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.