8 PIN codes
| PIN code | Post offices | Taluk / tehsil |
|---|---|---|
| 854333 | Gamharia Bo | – |
| 855101 | Bahadurganj So Kishanganj, Baigna Bo, Bairia Bo and 22 more | – |
| 855106 | Galgalia So | – |
| 855107 | Kishanganj So, Altahat Bo, Asja Bo and 18 more | – |
| 855108 | Kishanganj Bazar So, Bbbharatpur Bo, Bholmara Bo and 7 more | – |
| 855115 | Sontha So, Angarhat Bo, Dhanpatganj Bo and 7 more | – |
| 855116 | Thakurganj So, Bhawaniganj Bo, Churli Bo and 9 more | – |
| 855117 | Taiyabpur So, Chanamana Bo, Chattar Gachhi Bo and 9 more | – |