| Post Office | Dekalb |
| Division | Dekalb |
| Pincode | 60115 |
| Post Office | Sycamore |
| Division | Dekalb |
| Pincode | 60178 |
| Post Office | Sandwich |
| Division | Dekalb |
| Pincode | 60548 |
| Post Office | Genoa |
| Division | Dekalb |
| Pincode | 60135 |
| Post Office | Cortland |
| Division | Dekalb |
| Pincode | 60112 |
| Post Office | Somonauk |
| Division | Dekalb |
| Pincode | 60552 |
| Post Office | Kingston |
| Division | Dekalb |
| Pincode | 60145 |
| Post Office | Hinckley |
| Division | Dekalb |
| Pincode | 60520 |
| Post Office | Waterman |
| Division | Dekalb |
| Pincode | 60556 |
14 City in Dekalb | List of Zip Codes Location In Illinois and Your selected County Dekalb