Rock Falls zipcode
| City | Rock Falls |
| ZIP Code | 61071 |
| Type | Standard |
| State Code | IL |
| State | Illinois |
ZIP code of Rock Falls is 61071. This place is located in Illinois state in US. To send any postal service to Rock Falls, you must use 61071 zipcode.
You should avoid following 2 city names of Illinois to be used with the ZIP code 61071.
- Yeoward Addition, IL
- Yeowardville, IL