| Place | Post Code |
|---|---|
| Jaipur, Magadh) | 824102 |
| Jaipur Belai, Magadh) | 824301 |
| Jasoia, Magadh) | 824303 |
| Jhanjhi, Magadh) | 824301 |
| Jharhi Dhanawan, Magadh) | 824303 |
| Jhari, Magadh) | 824123 |
| Jhikatia, Magadh) | 824303 |
| K P Tendua, Magadh) | 824301, 824123, 824303 |
| Kadokhari, Magadh) | 824303 |
| Kajhpa, Magadh) | 824303 |
| Kajrain, Magadh) | 824303 |
| Kala Pahar, Magadh) | 824123 |
| Kalan Dhanawan, Magadh) | 824303 |
| Kamdarpur, Magadh) | 824303 |
| Kanchan, Magadh) | 824302 |
| Kandi, Magadh) | 824302, 824301 |
| Kanker, Magadh) | 824303 |
| Kanri, Magadh) | 824302 |
| Karahra, Magadh) | 824102 |
| Karhari, Magadh) | 824302 |
| Karma Moglani, Magadh) | 824301 |
| Karmalahang, Magadh) | 824302 |
| Karman, Magadh) | 824302, 824301, 824303 |
| Karman Bechen, Magadh) | 824301 |
| Karman Fatehpur, Magadh) | 824302 |
| Karman Jagarnathpur, Magadh) | 824302 |
| Karmari, Magadh) | 824303 |
| Kasautia, Magadh) | 824303 |
| Kashi Tendua, Magadh) | 824303 |
| Kawla, Magadh) | 824303 |