ZIP Code 61011
Caledonia · Boone, Illinois
61011 is the ZIP code of Caledonia in Boone, Illinois, United States.
- ZIP Code
- 61011
- County
- Boone
- State
- Illinois
- Country
- United States
Place with ZIP code 61011
| Place | County | Location |
|---|---|---|
| Caledonia | Boone | 42.383, -88.918 |
Near Milwaukee
The nearest major city is Milwaukee, about 110 km away.
Nearby ZIP codes
Frequently asked questions
Which places use ZIP code 61011?
Caledonia.
Which county and state is 61011 in?
Boone, Illinois, United States.
What is the nearest major city to 61011?
Milwaukee, about 110 km away.
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.