Jefferson County, Idaho
7 ZIP codes · 1,093.68 sq mi of land · FIPS 16051
| Population | 33,154 |
|---|---|
| State | Idaho |
| FIPS code | 16051 |
| Time zone | Mountain |
| Land area | 1,093.68 sq mi |
| Center (lat, long) | 43.7970, -112.3186 |
Area codes in this area
These are the area codes that most often serve Jefferson 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)
HamerLewisvilleMenanMonteviewRigbyRobertsTerreton
ZIP codes in Jefferson County
Population: U.S. Census Bureau, ACS 5-year estimates, 2024.