ZIP Code 83251 – Mackay, Idaho | ZipsCode.us
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ZIP Code 83251
Mackay, Idaho · Custer
ZIP code 83251 belongs to the city of Mackay in Idaho (Custer). See all Idaho ZIP Codes.
ZIP code 83251 belongs to Mackay, Idaho, in Custer. If you are mailing a letter or package to this area, use Mackay, ID 83251 in the address. On this page you will find the city and county for 83251, nearby ZIP codes in the same county, and free tools to look up any address in this ZIP code.
What City Is ZIP Code 83251?
The city for ZIP code 83251 is Mackay, Idaho. When you write an address in this area, the correct format is: Name, Street Address, Mackay, ID 83251.
ZIP Code 83251 County and State
ZIP code 83251 is located in Custer, Idaho. For a complete list of cities and ZIP codes across the state, see the Idaho ZIP Codes page.
Nearby ZIP Codes in Custer
These ZIP codes are in the same county as 83251:
ZIP Code 83251 on the Map
The map below shows the approximate center of ZIP code 83251, near Mackay, Idaho. You can zoom in and drag the map to explore the area.
Map center is approximate (ZIP area center, around 43.9111, -113.612). Map data © OpenStreetMap.
Population and Demographics of ZIP Code 83251
According to public U.S. Census Bureau data, ZIP code 83251 is home to a community in Idaho. The figures below come from the U.S. Census and the American Community Survey (ACS).
Source: U.S. Census Bureau, American Community Survey (ACS) 2023 5-year estimates and 2023 Gazetteer. Figures are estimates and change with each new survey.
Find an Address in ZIP Code 83251
Need the full ZIP+4 code for a specific street address in Mackay? Use the free ZIP+4 Lookup tool, or find any ZIP code from a street address with the ZIP Code by Address tool.
Frequently Asked Questions
What city is ZIP code 83251?
ZIP code 83251 is for Mackay, Idaho.
What county is ZIP code 83251 in?
ZIP code 83251 is in Custer, Idaho.
What state is ZIP code 83251 in?
ZIP code 83251 is in Idaho (ID).
How do I find the ZIP+4 for an address in 83251?
Use the free ZIP+4 Lookup tool with the full street address to get the complete 9-digit ZIP code.
What are the nearby ZIP codes to 83251?
Nearby ZIP codes include 83226 (Challis), 83227 (Clayton), 83235 (Ellis), 83278 (Stanley).
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