| Locality | Post Code |
|---|---|
| Axtell, Nemaha | 66403 |
| Baileyville, Nemaha | 66404 |
| Bern, Nemaha | 66408 |
| Centralia, Nemaha | 66415 |
| Corning, Nemaha | 66417 |
| Goff, Nemaha | 66428 |
| Kelly, Nemaha | 66538 |
| Oneida, Nemaha | 66522 |
| Sabetha, Nemaha | 66534 |
| Saint Benedict, Nemaha | 66538 |
| Seneca, Nemaha | 66538 |
| Wetmore, Nemaha | 66550 |