| Place | Post Code |
|---|---|
| Kazakpur, Magadh) | 824302 |
| Kerka, Magadh) | 824303 |
| Khadha, Magadh) | 824303 |
| Khaira, Magadh) | 824303 |
| Khairi Ram, Magadh) | 824301 |
| Khajuri Panru, Magadh) | 824302 |
| Khajuri Saraiya, Magadh) | 824302 |
| Khajuri Tika, Magadh) | 824302 |
| Khanria, Magadh) | 824303 |
| Khapar Manda, Magadh) | 824302 |
| Kharag Parsa, Magadh) | 824303 |
| Kharaundha, Magadh) | 824301 |
| Khasua, Magadh) | 824302 |
| Khiri Dayal, Magadh) | 824301 |
| Kulharia, Magadh) | 824302 |
| Kurgain, Magadh) | 824301 |
| Kusa, Magadh) | 824301 |
| Kusumha, Magadh) | 824302 |
| Labhri, Magadh) | 824301 |
| Lahiarpur, Magadh) | 824303 |
| Lakhanpur, Magadh) | 824301 |
| Lakhui, Magadh) | 824303 |
| Lauabar, Magadh) | 824123 |
| Lemo Khap, Magadh) | 824303 |
| Lerua, Magadh) | 824303 |
| Madhe, Magadh) | 824303 |
| Mahdewa, Magadh) | 824302 |
| Mahdua, Magadh) | 824301 |
| Mahsu, Magadh) | 824301 |
| Mahuari, Magadh) | 824302, 824301, 824303 |