Pincode 841447 is a 6-digit postal code serving 7 post offices in Siwan district, Bihar. Lakrinabiganj S.O is the Post Office for this area, located at 26.2328°N, 84.7109°E. The first digit ‘8’ identifies the Bihar postal region; the full code pinpoints the Siwan delivery zone.
| Post Office | Type |
|---|---|
| Lakrinabiganj S.O | Post Office |
| Dabchhu BO | Branch Post Office |
| Gopalpur BO | Branch Post Office |
| Khajuhatti BO | Branch Post Office |
| Lakari BO | Branch Post Office |
| Parauli BO | Branch Post Office |
| Safiabad BO | Branch Post Office |
Data sourced from India Post, Department of Posts, Government of India. Data last verified: May 2026.
Siwan, Bihar. Map data: OpenStreetMap, CARTO.