Flat Rock, IL
ZIP Codes in Flat Rock, Illinois
February 7, 2026
| ZIP Code | Population | Coordinates |
|---|---|---|
| 62427 | 1,948 | 38.8731, -87.6499 |
Flat Rock has 1 ZIP code
ZIP Codes in Flat Rock, Illinois
February 7, 2026
| ZIP Code | Population | Coordinates |
|---|---|---|
| 62427 | 1,948 | 38.8731, -87.6499 |