| Place | Post Code |
|---|---|
| Bhagwanpur, Tirhut) | 845104 |
| Bisrampur, Tirhut) | 845307 |
| Chirchirwa, Tirhut) | 845104 |
| Kharkhuta, Tirhut) | 845104 |
| Madarahi, Tirhut) | 845101 |
| Piprasi Bazar, Tirhut) | 845104 |
| Ramnagar Kursaha, Tirhut) | 845104 |
| Sirinagar, Tirhut) | 845104 |
| Sirnagar, Tirhut) | 845452 |
| Thakraha, Tirhut) | 845104 |
| Thakrahan, Tirhut) | 845104 |