Custer County, Idaho
5 ZIP codes · 4,922.18 sq mi of land · FIPS 16037
| Population | 4,470 |
|---|---|
| State | Idaho |
| FIPS code | 16037 |
| Time zone | Mountain |
| Land area | 4,922.18 sq mi |
| Center (lat, long) | 44.2734, -114.2523 |
Area codes in this area
These are the area codes that most often serve Custer County (including overlays). The exact area code depends on the phone number — landlines, mobiles and overlays can differ even on the same street.
Cities and towns (largest first)
ChallisClaytonEllisMackayStanley
ZIP codes in Custer County
Population: U.S. Census Bureau, ACS 5-year estimates, 2024.