| Locality | Post Code |
|---|---|
| Avoca, Shelby | 51521 |
| Defiance, Shelby | 51527 |
| Earling, Shelby | 51530 |
| Elk Horn, Shelby | 51531 |
| Harlan, Shelby | 51537 |
| Irwin, Shelby | 51446 |
| Kimballton, Shelby | 51543 |
| Kirkman, Shelby | 51447 |
| Manilla, Shelby | 51454 |
| Marne, Shelby | 51552 |
| Panama, Shelby | 51562 |
| Portsmouth, Shelby | 51565 |
| Red Line, Shelby | 51447 |
| Shelby, Shelby | 51570 |
| Tennant, Shelby | 51537 |
| Walnut, Shelby | 51577 |
| Westphalia, Shelby | 51578 |