ZIP Code 61856
Monticello · Piatt, Illinois
61856 is the ZIP code of Monticello in Piatt, Illinois, United States.
- ZIP Code
- 61856
- County
- Piatt
- State
- Illinois
- Country
- United States
Place with ZIP code 61856
| Place | County | Location |
|---|---|---|
| Monticello | Piatt | 40.026, -88.569 |
Nearby ZIP codes
Frequently asked questions
Which places use ZIP code 61856?
Monticello.
Which county and state is 61856 in?
Piatt, Illinois, United States.
Source: GeoNames postal codes (CC BY 4.0), geonames.org, retrieved 2026-10-22. Place coordinates are approximate. Check with the national postal service before sending anything valuable.