| Locality | Post Code |
|---|---|
| Alsip, Cook | 60803 |
| Argo, Cook | 60501 |
| Arlington Heights, Cook | 60004, 60005 |
| Ashburn Park, Cook | 60652 |
| Bartlett, Cook | 60133 |
| Bedford Park, Cook | 60499 |
| Bellwood, Cook | 60104 |
| Berkeley, Cook | 60163 |
| Berwyn, Cook | 60402 |
| Blue Island, Cook | 60406 |
| Bridgeview, Cook | 60455 |
| Broadview, Cook | 60155 |
| Brookfield, Cook | 60513 |
| Burbank, Cook | 60459 |
| Burnham, Cook | 60633 |
| Calumet City, Cook | 60409 |
| Calumet Park, Cook | 60827 |
| Chestnut Street, Cook | 60610 |
| Chicago, Cook | 60601, 60602, 60603, 60604, 60605, … |
| Chicago Heights, Cook | 60411 |
| Chicago Lawn, Cook | 60629 |
| Chicago Ridge, Cook | 60415 |
| Cicero, Cook | 60804 |
| Clearing, Cook | 60638 |
| Country Club Hills, Cook | 60478 |
| Countryside, Cook | 60525 |