About ZIP code 61770
The ZIP code 61770 routes mail to Saybrook 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
61770 - Saybrook
ZIP code 61770 is Saybrook in Illinois, United States.
| ZIP code | 61770 |
| Place | Saybrook |
| Region | Illinois |
| District | McLean |
| Country | United States (US) |
| Coordinates | 40.432, -88.5247 (map) |