| Post Office | Columbus |
| Division | Platte |
| Pincode | 68601 |
| Post Office | Humphrey |
| Division | Platte |
| Pincode | 68642 |
| Post Office | Genoa |
| Division | Platte |
| Pincode | 68640 |
| Post Office | Monroe |
| Division | Platte |
| Pincode | 68647 |
| Post Office | Platte Center |
| Division | Platte |
| Pincode | 68653 |
| Post Office | Lindsay |
| Division | Platte |
| Pincode | 68644 |