ZIP code · Mackay · Idaho · United States

ZIP code 83251 — Mackay

Name: Mackay (83251)
Address: Idaho, 83251, US

ZIP code 83251 serves Mackay, Idaho.

Postal code: 83251
Single source Value from one source, not cross-checked.
City: Mackay
County: Custer
State: Idaho
Country: United States
Coordinates: 43.9111, -113.6120 — precision estimated (postal-area centroid)
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Nearby localities

83255Moore
83213Arco
83244Howe
83353Sun Valley
83354Sun Valley
83333Hailey
83313Bellevue
83320Carey
83340Ketchum
83227Clayton

About this page

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. Data generated on 2026-08-21. Methodology · Report an error on this page