| Place | Post Code |
|---|---|
| Laukariya, Tirhut) | 845438 |
| Lediharwa, Tirhut) | 845103 |
| Madhubani, Tirhut) | 845106 |
| Maga Rahi, Tirhut) | 845451 |
| Mahuawa, Tirhut) | 845455 |
| Majharia, Tirhut) | 845105, 845106, 845451, 845455 |
| Malda, Tirhut) | 845451 |
| Maldahia, Tirhut) | 845455 |
| Maldi, Tirhut) | 845451 |
| Mangrahari, Tirhut) | 845451 |
| Maniari, Tirhut) | 845451 |
| Manwa, Tirhut) | 845455 |
| Manwa Parsi, Tirhut) | 845455 |
| Marhia, Tirhut) | 845455 |
| Mathia, Tirhut) | 845455 |
| Mathura, Tirhut) | 845451 |
| Merraul, Tirhut) | 845455 |
| Motihari, Tirhut) | 845451 |
| Mujauna, Tirhut) | 845455 |
| Murli, Tirhut) | 845455 |
| Murlidih, Tirhut) | 845451 |
| Musharwa, Tirhut) | 845455 |
| Nankar, Tirhut) | 845451 |
| Narkaiaganj, Tirhut) | 845455 |
| Nautanwa, Tirhut) | 845451 |
| Odarwa, Tirhut) | 845451 |
| Pachamwa, Tirhut) | 845451 |
| Pakri, Tirhut) | 845101 |
| Parsi, Tirhut) | 845455 |
| Phulwaria, Tirhut) | 845451 |