Hardin County, Ohio
10 ZIP codes · 470.29 sq mi of land · FIPS 39065
| Population | 30,475 |
|---|---|
| State | Ohio |
| FIPS code | 39065 |
| Time zone | Eastern |
| Land area | 470.29 sq mi |
| Center (lat, long) | 40.6604, -83.6641 |
Area codes in this area
These are the area codes that most often serve Hardin 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)
Belle CenterKentonMount VictoryRoundheadAdaAlgerDolaDunkirkForestMc Guffey
ZIP codes in Hardin County
43310 Belle Center43326 Kenton43340 Mount Victory43346 Roundhead45810 Ada45812 Alger45835 Dola45836 Dunkirk45843 Forest45859 Mc Guffey
Population: U.S. Census Bureau, ACS 5-year estimates, 2024.