Niantic, IL
ZIP Codes in Niantic, Illinois
December 16, 2025
| ZIP Code | Population | Coordinates |
|---|---|---|
| 62551 | 924 | 39.8541, -89.1559 |
Niantic has 1 ZIP code
ZIP Codes in Niantic, Illinois
December 16, 2025
| ZIP Code | Population | Coordinates |
|---|---|---|
| 62551 | 924 | 39.8541, -89.1559 |