Chicago Downtown Facility Zip Codes
| Bellwood | 60104 |
| Bensenville | 60106 |
| Berkely | 60163 |
| Berwyn | 60402 |
| Broadview | 60153 |
| Brookfield | 60513 |
| Chicago | 60601-16,22,57 |
| Cicero | 60650 |
| Deerfield | 60015 |
| Elmwood Park | 60707 |
| Evanston | 60201-03 |
| Forest Park | 60130 |
| Morton Grove | 60053 |
| Norridge | 60656 |
| Northbrook | 60062 |
| Northlake | 60164 |
| North Riverside | 60546 |
| Oak Park | 60301 - 4 |
| River Forest | 60305 |
| River Grove | 60171 |
| Riverside | 60546 |
| Skokie | 60076 - 7 |
| Stickney | 60402 |
| Westchester | 60154 |
| Wilmette | 60091 |
| Winnetka | 60093 |