Allen County, Kansas
7 ZIP codes · 500.3 sq mi of land · FIPS 20001
| Population | 12,483 |
|---|---|
| State | Kansas |
| FIPS code | 20001 |
| Time zone | Central |
| Land area | 500.3 sq mi |
| Center (lat, long) | 37.8842, -95.3009 |
Area codes in this area
These are the area codes that most often serve Allen 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)
ElsmoreGasHumboldtIolaLa HarpeMoranSavonburg
ZIP codes in Allen County
Population: U.S. Census Bureau, ACS 5-year estimates, 2024.