| Locality | Post Code |
|---|---|
| Brazil, Appanoose | 52574 |
| Centerville, Appanoose | 52544 |
| Cincinnati, Appanoose | 52549 |
| Dean, Appanoose | 52572 |
| Exline, Appanoose | 52555 |
| Garfield, Appanoose | 52574 |
| Iconium, Appanoose | 52571 |
| Livingston, Appanoose | 52549 |
| Melrose, Appanoose | 52569 |
| Moravia, Appanoose | 52571 |
| Moulton, Appanoose | 52572 |
| Mystic, Appanoose | 52574 |
| Numa, Appanoose | 52544 |
| Plano, Appanoose | 52581 |
| Rathbun, Appanoose | 52544 |
| Seymour, Appanoose | 52590 |
| Udell, Appanoose | 52593 |
| Unionville, Appanoose | 52594 |
| Walnut City, Appanoose | 52574 |