About ZIP code 61436
The ZIP code 61436 routes mail to Gilson in the Illinois region of United States. Use it as the postal segment of any address in this area, and confirm unusual addresses with the local postal operator.
United States ยท ZIP code
61436 - Gilson
ZIP code 61436 is Gilson in Illinois, United States.
| ZIP code | 61436 |
| Place | Gilson |
| Region | Illinois |
| District | Knox |
| Country | United States (US) |
| Coordinates | 40.8765, -90.1747 (map) |