| Locality | Post Code |
|---|---|
| Auburn, Nemaha | 68305 |
| Brock, Nemaha | 68320 |
| Brownville, Nemaha | 68321 |
| Glenrock, Nemaha | 68305 |
| Howe, Nemaha | 68305 |
| Johnson, Nemaha | 68378 |
| Julian, Nemaha | 68379 |
| Nemaha, Nemaha | 68414 |
| North Auburn, Nemaha | 68305 |
| Peru, Nemaha | 68421 |
| Rohrs, Nemaha | 68305 |
| Talmage, Nemaha | 68448 |