ZIP Code 73855
Rosston · Harper, Oklahoma
73855 is the ZIP code of Rosston in Harper, Oklahoma, United States.
- ZIP Code
- 73855
- County
- Harper
- State
- Oklahoma
- Country
- United States
Place with ZIP code 73855
| Place | County | Location |
|---|---|---|
| Rosston | Harper | 36.879, -99.900 |
Nearby ZIP codes
Frequently asked questions
Which places use ZIP code 73855?
Rosston.
Which county and state is 73855 in?
Harper, Oklahoma, 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.