ZIP Code 66944
Haddam · Washington, Kansas
66944 is the ZIP code of Haddam in Washington, Kansas, United States.
- ZIP Code
- 66944
- County
- Washington
- State
- Kansas
- Country
- United States
Place with ZIP code 66944
| Place | County | Location |
|---|---|---|
| Haddam | Washington | 39.852, -97.308 |
Nearby ZIP codes
Frequently asked questions
Which places use ZIP code 66944?
Haddam.
Which county and state is 66944 in?
Washington, Kansas, 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.