Mackay, ID ZIP Codes, Coordinates & Counties
Mackay, Idaho has 1 ZIP code in Custer county. The approximate center of Mackay is 43.938, -113.896. Mackay has about 14,203 known street addresses.
ZIP codes in Mackay, ID
| ZIP Code | County | Latitude | Longitude |
|---|---|---|---|
| 83251 | Custer | 43.938 | -113.896 |
Counties Mackay spans
Custer
Most common streets in Mackay
College, Cedar, Capitol, Elm, Pine, Custer, Spruce, Rose, Park, Main
Frequently asked questions
What ZIP codes are in Mackay, ID?
Mackay, Idaho has 1 ZIP code, ranging from 83251 to 83251. The full list, with each ZIP's county and coordinates, is in the table on this page.
What county is Mackay, ID in?
Mackay is in Custer county.
What are the latitude and longitude of Mackay, ID?
The approximate center of Mackay, Idaho is latitude 43.938, longitude -113.896. Coordinates for each ZIP code are listed in the table above.
How many ZIP codes does Mackay, ID have?
Mackay has 1 ZIP code.
How many addresses are in Mackay, ID?
Mackay, Idaho has about 14,203 known street addresses in the sthan.io US address database.
What are the most common streets in Mackay, ID?
Some of the most common street names in Mackay are College, Cedar, Capitol, Elm, Pine, Custer.
What cities are near Mackay, ID?
Cities near Mackay include Moore (23 mi), Sun Valley (28 mi), May (28 mi), Hailey (33 mi), Carey (34 mi).
Cities near Mackay
Moore, ID (23 mi) Sun Valley, ID (28 mi) May, ID (28 mi) Hailey, ID (33 mi) Carey, ID (34 mi) Ketchum, ID (36 mi) Clayton, ID (37 mi) Howe, ID (39 mi)
Need this for any US address, in code?
Get the ZIP code, county, and coordinates for any US address through the sthan.io API. Free 100 requests/month, no credit card required.
View the API →Last updated: June 2026 · Data: sthan.io US address database