Fairfield, IL
ZIP Codes in Fairfield, Illinois
January 20, 2026
| ZIP Code | Population | Coordinates |
|---|---|---|
| 62837 | 8,300 | 38.3652, -88.3577 |
Fairfield has 1 ZIP code
ZIP Codes in Fairfield, Illinois
January 20, 2026
| ZIP Code | Population | Coordinates |
|---|---|---|
| 62837 | 8,300 | 38.3652, -88.3577 |