| Locality | Post Code |
|---|---|
| Adairville, Logan | 42202 |
| Allensville, Logan | 42204 |
| Auburn, Logan | 42206 |
| Cave Spring, Logan | 42276 |
| Cooperstown, Logan | 42276 |
| Daysville, Logan | 42276 |
| Gordonsville, Logan | 42276 |
| Lewisburg, Logan | 42256 |
| Oakville, Logan | 42276 |
| Olmstead, Logan | 42265 |
| Richelieu, Logan | 42206 |
| Rockfield, Logan | 42274 |
| Russellville, Logan | 42276 |
| South Union, Logan | 42206 |