ZIP Code 61856 – Monticello, Illinois
The 61856 ZIP Code belongs to Monticello, Illinois. The population in this 61856 ZIP code is 8,110. The latitude is 40.02838 and longitude is -88.58211 in 61856 Monticello, Illinois. The time zone for this 61856 ZIP code is America/Chicago.
| City | Monticello |
| Zip Code | 61856 |
| State | Illinois |
| County | Piatt |
| Population | 8,110 |
| Latitude | 40.02838 |
| Longitude | -88.58211 |
| Time Zone | America/Chicago |