Piatt County, Illinois
11 ZIP codes · 439.19 sq mi of land · FIPS 17147
| Population | 16,695 |
|---|---|
| State | Illinois |
| FIPS code | 17147 |
| Time zone | Central |
| Land area | 439.19 sq mi |
| Center (lat, long) | 40.0090, -88.5924 |
Area codes in this area
These are the area codes that most often serve Piatt 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)
BementCerro GordoCiscoDe LandMansfieldMilmineMonticelloWhite HeathAtwoodHammondLa Place
ZIP codes in Piatt County
61813 Bement61818 Cerro Gordo61830 Cisco61839 De Land61854 Mansfield61855 Milmine61856 Monticello61884 White Heath61913 Atwood61929 Hammond61936 La Place
Population: U.S. Census Bureau, ACS 5-year estimates, 2024.