City · Idaho · United States
Mackay, ID — ZIP codes
1 ZIP code · Custer County
- City
- Mackay
- County
- Custer
- State
- Idaho
- Country
- United States
- Postal code
- 83251Single source
- Coordinates
- 43.9111, -113.6120 View on OpenStreetMap
- Area codes
- 208, 986
ZIP codes (1)
| Postal code | Place name | Verification |
|---|---|---|
| 83251 | Mackay | Single source |
Sources and verification
US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.
GeoNames · U.S. Census Bureau (ACS) · U.S. Census Bureau · NOAA NCEI · usda-phzm. Last generated : 2026-08-21. Report an error.