| Locality | Post Code |
|---|---|
| Aetna, Hickman | 37033 |
| Bon Aqua, Hickman | 37025 |
| Centerville, Hickman | 37033 |
| Coble, Hickman | 37033 |
| Duck River, Hickman | 38454 |
| Fairfield, Hickman | 37033 |
| Grinders, Hickman | 37033 |
| Lyles, Hickman | 37098 |
| Nunnelly, Hickman | 37137 |
| Only, Hickman | 37140 |
| Pleasantville, Hickman | 37033 |
| Shipps Bend, Hickman | 37033 |
| Wrigley, Hickman | 37098 |