Pincode 855107 is a 6-digit postal code serving 21 post offices in Kishanganj district, Bihar. Kishanganj SO is the Post Office for this area, located at 26.3128°N, 87.7581°E. The first digit ‘8’ identifies the Bihar postal region; the full code pinpoints the Kishanganj delivery zone.
| Post Office | Type |
|---|---|
| Kishanganj SO | Post Office |
| ALTAHAT BO | Branch Post Office |
| ASJA BO | Branch Post Office |
| BAGALBARI BO | Branch Post Office |
| BELWA BO | Branch Post Office |
| CHAKLA GHAT BO | Branch Post Office |
| DHUSMALHAT BO | Branch Post Office |
| GANGI BO | Branch Post Office |
| GMBATHNA BO | Branch Post Office |
| KANHAIYABARI HAT BO | Branch Post Office |
| KASHIBARI HAT BO | Branch Post Office |
| KHARUDAH BO | Branch Post Office |
| KUTTI GOLA BO | Branch Post Office |
| NATUA PARA BO | Branch Post Office |
| PATKOI HAT BO | Branch Post Office |
| PIYAJEE BO | Branch Post Office |
| RAIPUR BO | Branch Post Office |
| RUNKI BO | Branch Post Office |
| SINGHIA BO | Branch Post Office |
| SIRSEE BO | Branch Post Office |
| TEOSA BO | Branch Post Office |
Data sourced from India Post, Department of Posts, Government of India. Data last verified: May 2026.
Kishanganj, Bihar. Map data: OpenStreetMap, CARTO.