About ZIP code 83421
The ZIP code 83421 routes mail to Chester in the Idaho region of United States. Use it as the postal segment of any address in this area, and confirm unusual addresses with the local postal operator.
United States ยท ZIP code
83421 - Chester
ZIP code 83421 is Chester in Idaho, United States.
| ZIP code | 83421 |
| Place | Chester |
| Region | Idaho |
| District | Fremont |
| Country | United States (US) |
| Coordinates | 44.0011, -111.5351 (map) |