| Place | Post Code |
|---|---|
| Ichmari, Purnia) | 855101 |
| Ikra, Purnia) | 855101 |
| Ikra Milik, Purnia) | 855101 |
| Jiapokhar, Purnia) | 855108 |
| Jiyapokhar, Purnia) | 855108 |
| Kachunala, Purnia) | 855101 |
| Kachunala Milik, Purnia) | 855101 |
| Kalpir Pathar Ghatti, Purnia) | 855101 |
| Kamat, Purnia) | 855101 |
| Kamati, Purnia) | 855108 |
| Kanchan Bari, Purnia) | 855101 |
| Karhabari, Purnia) | 855108, 855101 |
| Karuamani, Purnia) | 855101 |
| Kast Karam Ali, Purnia) | 855101 |
| Kumarkhod, Purnia) | 855101 |
| Kumhia, Purnia) | 855101 |
| Kurhaili, Purnia) | 855101 |
| Lachhmipur, Purnia) | 855101 |
| Lohagarha, Purnia) | 855101 |
| Lohargarha, Purnia) | 855101 |
| Mahamari, Purnia) | 855101 |
| Maldangi, Purnia) | 855101 |
| Malmali, Purnia) | 855101 |
| Maltoli, Purnia) | 855101 |
| Mangura, Purnia) | 855101 |
| Mulabari, Purnia) | 855101 |
| Mustalaganj, Purnia) | 855101 |
| Padampur, Purnia) | 855108 |
| Pakamari, Purnia) | 855101 |
| Palsa, Purnia) | 855101 |
| Postal Codes in Kishanganj | |
|---|---|
| Bahadurganj | |
| Dighalbank | |
| Kishanganj | |
| Kochadhamin | |
| Pothia | |
| Terhagachh | |
| Thakurganj | |