Udayapur District
| Location / Post Office | Postal Code |
|---|---|
| Udayapur D.P.O. | 56300 |
| Ratapani (Toksila) | 56301 |
| Beltar | 56302 |
| Hadiya | 56303 |
| Pokhari | 56305 |
| Baraha | 56306 |
| Bhutar | 56307 |
| Rampur Ghilke | 56308 |
| Udayapur Gadhi | 56309 |
| Katari | 56310 |
| Sorung Chhabise | 56311 |
| Rauta Murkuchi | 56312 |
