| Locality | Post Code |
|---|---|
| Harvey, Cook | 60426, 60428 |
| Harwood Heights, Cook | 60706 |
| Hazel Crest, Cook | 60429 |
| Hegewisch, Cook | 60633 |
| Hickory Hills, Cook | 60457 |
| Hillside, Cook | 60162 |
| Hines, Cook | 60141 |
| Hodgkins, Cook | 60525 |
| Hoffman Estates, Cook | 60010, 60067, 60169, 60192, 60195 |
| Hometown, Cook | 60456 |
| Homewood, Cook | 60422, 60430 |
| Indian Head Park, Cook | 60525 |
| Inverness, Cook | 60010, 60067 |
| Jackson Park, Cook | 60637 |
| Jefferson, Cook | 60630 |
| Jefferson Park, Cook | 60630 |
| Justice, Cook | 60458 |
| Kenilworth, Cook | 60043 |
| Kildeer, Cook | 60074 |
| La Grange, Cook | 60525, 60526 |
| La Grange Highlands, Cook | 60525 |
| La Grange Park, Cook | 60526 |
| Lakeview, Cook | 60613 |
| Lansing, Cook | 60438 |
| Lemont, Cook | 60439 |
| Lincoln Park, Cook | 60614 |