ZIP Code 61103
Rockford · Winnebago, Illinois
61103 is the ZIP code of Rockford in Winnebago, Illinois, United States.
- ZIP Code
- 61103
- County
- Winnebago
- State
- Illinois
- Country
- United States
Place with ZIP code 61103
| Place | County | Location |
|---|---|---|
| Rockford | Winnebago | 42.301, -89.083 |
Near Milwaukee
The nearest major city is Milwaukee, about 126 km away.
Nearby ZIP codes
Frequently asked questions
Which places use ZIP code 61103?
Rockford.
Which county and state is 61103 in?
Winnebago, Illinois, United States.
What is the nearest major city to 61103?
Milwaukee, about 126 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.