About ZIP code 60523
The ZIP code 60523 routes mail to Oak Brook 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
60523 - Oak Brook
ZIP code 60523 is Oak Brook in Illinois, United States.
| ZIP code | 60523 |
| Place | Oak Brook |
| Region | Illinois |
| District | DuPage |
| Country | United States (US) |
| Coordinates | 41.8371, -87.9638 (map) |