ZIP Code 83251
Mackay · Custer, Idaho
83251 is the ZIP code of Mackay in Custer, Idaho, United States.
- ZIP Code
- 83251
- County
- Custer
- State
- Idaho
- Country
- United States
Place with ZIP code 83251
| Place | County | Location |
|---|---|---|
| Mackay | Custer | 43.911, -113.612 |
Nearby ZIP codes
Frequently asked questions
Which places use ZIP code 83251?
Mackay.
Which county and state is 83251 in?
Custer, Idaho, 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.