Pincode 852137 is a 6-digit postal code serving 13 post offices in Supaul district, Bihar. Surpatganj SO is the Post Office for this area, located at 26.3342°N, 87.1048°E. The first digit ‘8’ identifies the Bihar postal region; the full code pinpoints the Supaul delivery zone.
| Post Office | Type |
|---|---|
| Surpatganj SO | Post Office |
| Chunnimal BO | Branch Post Office |
| Daharia BO | Branch Post Office |
| Ghiwaha BO | Branch Post Office |
| Girdharpatti BO | Branch Post Office |
| Gwalpara BO | Branch Post Office |
| Hariharpur BO | Branch Post Office |
| Khunti BO | Branch Post Office |
| Lalganj BO | Branch Post Office |
| Lalpur BO | Branch Post Office |
| Mohanpur BO | Branch Post Office |
| Mohmmad Ganj BO | Branch Post Office |
| Pariyahi BO | Branch Post Office |
Data sourced from India Post, Department of Posts, Government of India. Data last verified: May 2026.
Supaul, Bihar. Map data: OpenStreetMap, CARTO.