| Locality | Post Code |
|---|---|
| Atlanta, Logan | 61723 |
| Beason, Logan | 62512 |
| Broadwell, Logan | 62634 |
| Chestnut, Logan | 62518 |
| Cornland, Logan | 62519 |
| Elkhart, Logan | 62634 |
| Emden, Logan | 62635 |
| Hartsburg, Logan | 62643 |
| Lake Fork, Logan | 62541 |
| Latham, Logan | 62543 |
| Lawndale, Logan | 61751 |
| Lincoln, Logan | 62656 |
| Middletown, Logan | 62666 |
| Mount Pulaski, Logan | 62548 |
| New Holland, Logan | 62671 |