Find the last 4 digits (ZIP+4) for an address in 83251

ZIP 83251, Mackay, ID is filled in. Just type the street address.

Addresses are checked through our secure proxy. Bot checks use Cloudflare Turnstile. Each device can run 5 live checks per day; repeats of the same address are free.

ZIP Code 83251 – Mackay, ID

Mackay, Idaho · Custer County · Mountain time

ZIP code83251
CityMackay
StateIdaho
CountyCuster County
Population1,443
Time zoneMountain · local time
ZIP typeStandard (has a Census ZCTA area)
Land area1,124.15 sq mi
Center (lat, long)43.9447, -113.9447

Area codes in this area

208986

These are the area codes that most often serve ZIP 83251 (including overlays). The exact area code depends on the phone number — landlines, mobiles and overlays can differ even on the same street.

Map

Nearby ZIP codes

83353 Sun Valley · 25.7 mi83354 Sun Valley · 26.7 mi83255 Moore · 29 mi83333 Hailey · 29.6 mi83226 Challis · 29.7 mi83227 Clayton · 31.1 mi83320 Carey · 37.4 mi83313 Bellevue · 43 mi

About ZIP 83251

ZIP code 83251 is assigned to Mackay, Idaho. It lies in Custer County. Its Census area covers about 1,124.15 square miles of land. The closest neighboring ZIP is 83353 (Sun Valley), about 25.7 miles away.

Every address in 83251 also has a 4-digit add-on code (ZIP+4) that points to a smaller delivery area. Use the box above to find it.

Sources: US Census Bureau (ZCTA, county relationship files), GeoNames (CC BY 4.0), NANPA via NumberResearch.org (CC BY 4.0). Map © OpenStreetMap contributors. ZIP areas are approximate. Population: U.S. Census Bureau, ACS 5-year estimates, 2024 (ZCTA). Data sources