| Place | Post Code |
|---|---|
| Ahirauliya, Tirhut) | 845101 |
| Ahirwalia, Tirhut) | 845101 |
| Asurar, Tirhut) | 845105 |
| B.B. Bankatwa, Tirhut) | 845101 |
| Bagaha, Tirhut) | 845101 |
| Bahuarwa, Tirhut) | 845101 |
| Bakwa, Tirhut) | 845101 |
| Balhi, Tirhut) | 845453 |
| Bankatwa Tewari, Tirhut) | 845101 |
| Barganw, Tirhut) | 845101 |
| Bargaon, Tirhut) | 845101 |
| Bariarwa, Tirhut) | 845453, 845101 |
| Barwa, Tirhut) | 845101, 845105 |
| Basantpur, Tirhut) | 845105 |
| Bassganw, Tirhut) | 845105 |
| Baswaria, Tirhut) | 845453, 845105 |
| Belwa, Tirhut) | 845101 |
| Bhairoganj, Tirhut) | 845106 |
| Bhaisahi Garhwa, Tirhut) | 845101 |
| Bharaulia, Tirhut) | 845101 |
| Bhataura, Tirhut) | 845105 |
| Bhattahola Birit, Tirhut) | 845101 |
| Bhetahiya, Tirhut) | 845101 |
| Bibi Bankatwa, Tirhut) | 845101 |
| Bindaulia, Tirhut) | 845105 |
| Bisambharpur, Tirhut) | 845101 |
| Bishunpurwa, Tirhut) | 845101, 845103, 845105 |
| Bom, Tirhut) | 845101 |
| Chakhni, Tirhut) | 845101 |
| Chandaraha, Tirhut) | 845101 |