| Locality | Post Code |
|---|---|
| Bradford, Gibson | 38316 |
| Dyer, Gibson | 38330 |
| Eaton, Gibson | 38331 |
| Gibson, Gibson | 38338 |
| Humboldt, Gibson | 38343 |
| Idlewild, Gibson | 38346 |
| Kenton, Gibson | 38233 |
| Masonhall, Gibson | 38233 |
| Medina, Gibson | 38355 |
| Milan, Gibson | 38358 |
| Rutherford, Gibson | 38369 |
| Three Way, Gibson | 38343 |
| Trenton, Gibson | 38382 |
| Yorkville, Gibson | 38389 |