Simpson County, Kentucky
1 ZIP codes · 234.18 sq mi of land · FIPS 21213
| Population | 19,972 |
|---|---|
| State | Kentucky |
| FIPS code | 21213 |
| Time zone | Central |
| Land area | 234.18 sq mi |
| Center (lat, long) | 36.7409, -86.5818 |
Area codes in this area
These are the area codes that most often serve Simpson 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)
Franklin
ZIP codes in Simpson County
Population: U.S. Census Bureau, ACS 5-year estimates, 2024.