Pincode 841235 is a 6-digit postal code serving 11 post offices in Siwan district, Bihar. Done SO is the Post Office for this area, located at 26.2270°N, 84.3564°E. The first digit ‘8’ identifies the Bihar postal region; the full code pinpoints the Siwan delivery zone.
| Post Office | Type |
|---|---|
| Done SO | Post Office |
| Belaon BO | Branch Post Office |
| Draili Mathia BO | Branch Post Office |
| Harnatar BO | Branch Post Office |
| Kanhauli BO | Branch Post Office |
| Kumhatti BO | Branch Post Office |
| Mathia BO | Branch Post Office |
| Murakhap BO | Branch Post Office |
| Murera BO | Branch Post Office |
| Netwar BO | Branch Post Office |
| Tariwani 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.