Putnam County, Illinois
7 ZIP codes · 160.1 sq mi of land · FIPS 17155
| Population | 5,601 |
|---|---|
| State | Illinois |
| FIPS code | 17155 |
| Time zone | Central |
| Land area | 160.1 sq mi |
| Center (lat, long) | 41.1990, -89.2983 |
Area codes in this area
These are the area codes that most often serve Putnam 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)
GranvilleHennepinMc NabbMagnoliaMarkStandardPutnam
ZIP codes in Putnam County
Population: U.S. Census Bureau, ACS 5-year estimates, 2024.