| Place | Post Code |
|---|---|
| Adhikari, Purnia) | 855117 |
| Andabari, Purnia) | 855116 |
| Arrabari, Purnia) | 855107 |
| Bagalbari Milik, Purnia) | 855107 |
| Bagalbari Milik Arazi, Purnia) | 855107 |
| Bagrani, Purnia) | 855117 |
| Bakhonala, Purnia) | 855117 |
| Baksa, Purnia) | 855117 |
| Banasi, Purnia) | 855107 |
| Barab Kahunia, Purnia) | 855117 |
| Bhagkharna, Purnia) | 855117 |
| Bhatkhunda, Purnia) | 855117 |
| Bhelagachhi, Purnia) | 855117 |
| Bhota Thana, Purnia) | 855117 |
| Birpur, Purnia) | 855117 |
| Bisani, Purnia) | 855107 |
| Bolasan, Purnia) | 855107 |
| Budhra, Purnia) | 855117 |
| Burhnai, Purnia) | 855117 |
| Charkhakati, Purnia) | 855117 |
| Chechuabari, Purnia) | 855117 |
| Chhagalia, Purnia) | 855107 |
| Chhamtia, Purnia) | 855117 |
| Chhatargachi, Purnia) | 855117 |
| Chiagaon, Purnia) | 855117 |
| Chilhamari, Purnia) | 855117 |
| Chitma, Purnia) | 855117 |
| Choragaddi, Purnia) | 855117 |
| Daluahat, Purnia) | 855117 |
| Damal Bari, Purnia) | 855107 |
| Postal Codes in Kishanganj | |
|---|---|
| Bahadurganj | |
| Dighalbank | |
| Kishanganj | |
| Kochadhamin | |
| Pothia | |
| Terhagachh | |
| Thakurganj | |