Flat Rock zipcode
| City | Flat Rock |
| ZIP Code | 62427 |
| Type | Standard |
| State Code | IL |
| State | Illinois |
ZIP code of Flat Rock is 62427. This place is located in Illinois state in US. To send any postal service to Flat Rock, you must use 62427 zipcode.
The ZIP code 62427 is also used with 1 more city name of Illinois.
- Birds, IL
You should avoid following 1 city name of Illinois to be used with the ZIP code 62427.
- Heathsville, IL