ZIP Code 99350
Prosser · Benton, Washington
99350 is the ZIP code of Prosser in Benton, Washington, United States.
- ZIP Code
- 99350
- County
- Benton
- State
- Washington
- Country
- United States
Place with ZIP code 99350
| Place | County | Location |
|---|---|---|
| Prosser | Benton | 46.223, -119.771 |
Nearby ZIP codes
Frequently asked questions
Which places use ZIP code 99350?
Prosser.
Which county and state is 99350 in?
Benton, 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.