| Place | Post Code |
|---|---|
| Parsa, Tirhut) | 845101 |
| Partappur, Tirhut) | 845105 |
| Patilar, Tirhut) | 845101 |
| Patkhaulia, Tirhut) | 845101, 845105 |
| Pharsahni, Tirhut) | 845105 |
| Pipardarhi, Tirhut) | 845101 |
| Pipariya, Tirhut) | 845101 |
| Pipra, Tirhut) | 845103, 845107 |
| Purbari Lagunaha, Tirhut) | 845453 |
| Raibari Mahuawa, Tirhut) | 845103 |
| Rajwatia, Tirhut) | 845101 |
| Rampurwa, Tirhut) | 845105, 845107 |
| Ratanpurwa, Tirhut) | 845101 |
| Ratwal, Tirhut) | 845101 |
| Raypurwa, Tirhut) | 845101 |
| Rupaulia, Tirhut) | 845101 |
| Sahsaram, Tirhut) | 845106 |
| Sakhui, Tirhut) | 845105 |
| Sakrauliya, Tirhut) | 845101 |
| Salaba, Tirhut) | 845103 |
| Shiorajpur, Tirhut) | 845452 |
| Siktanr, Tirhut) | 845101 |
| Sikti, Tirhut) | 845105 |
| Singari, Tirhut) | 845101 |
| Singari- Garhwa, Tirhut) | 845101 |
| Sirauna, Tirhut) | 845101 |
| Sirisia, Tirhut) | 845101 |
| Sisba, Tirhut) | 845453, 845101 |
| Sohagi Barwa, Tirhut) | 845105 |
| Sohgi Barwa, Tirhut) | 845104 |