| Place | Post Code |
|---|---|
| Ramnagar, Tirhut) | 845437 |
| Rampurwa, Tirhut) | 845437 |
| Rani Chapra, Tirhut) | 845437 |
| Retwa, Tirhut) | 845437 |
| Rupdih, Tirhut) | 845437 |
| Sagra, Tirhut) | 845437 |
| Sankar Saraiya, Tirhut) | 845437 |
| Sapahi, Tirhut) | 845437 |
| Sareya, Tirhut) | 845417, 845437 |
| Sariswa, Tirhut) | 845437 |
| Tikulia, Tirhut) | 845437 |
| Tokeya, Tirhut) | 845437 |
| Turkaulia, Tirhut) | 845437 |
| Ujjain Malahi Tola, Tirhut) | 845422 |