ZIP Code 61204
Rock Island · Rock Island, Illinois
61204 is the ZIP code of Rock Island in Rock Island, Illinois, United States.
- ZIP Code
- 61204
- County
- Rock Island
- State
- Illinois
- Country
- United States
Place with ZIP code 61204
| Place | County | Location |
|---|---|---|
| Rock Island | Rock Island | 41.555, -90.616 |
Nearby ZIP codes
Frequently asked questions
Which places use ZIP code 61204?
Rock Island.
Which county and state is 61204 in?
Rock Island, 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.