ZIP Code 99116
Coulee Dam · Okanogan, Washington
99116 is the ZIP code of Coulee Dam in Okanogan, Washington, United States.
- ZIP Code
- 99116
- County
- Okanogan
- State
- Washington
- Country
- United States
Place with ZIP code 99116
| Place | County | Location |
|---|---|---|
| Coulee Dam | Okanogan | 48.038, -118.942 |
Nearby ZIP codes
Frequently asked questions
Which places use ZIP code 99116?
Coulee Dam.
Which county and state is 99116 in?
Okanogan, 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.