Johnson County, Indiana
7 ZIP codes · 320.42 sq mi of land · FIPS 18081
| Population | 166,315 |
|---|---|
| State | Indiana |
| FIPS code | 18081 |
| Time zone | Eastern |
| Land area | 320.42 sq mi |
| Center (lat, long) | 39.4961, -86.0943 |
Area codes in this area
These are the area codes that most often serve Johnson 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)
ZIP codes in Johnson County
46106 Bargersville46131 Franklin46142 Greenwood46143 Greenwood46162 Needham46181 Trafalgar46184 Whiteland
Population: U.S. Census Bureau, ACS 5-year estimates, 2024.