Pincode 841507 is a 6-digit postal code serving 9 post offices in Siwan district, Bihar. Mora SO Siwan is the Post Office for this area, located at 26.2196°N, 84.3567°E. The first digit ‘8’ identifies the Bihar postal region; the full code pinpoints the Siwan delivery zone.
| Post Office | Type |
|---|---|
| Mora SO Siwan | Post Office |
| Bherwania BO | Branch Post Office |
| Bithuna BO | Branch Post Office |
| Chakia BO | Branch Post Office |
| Govindapur BO | Branch Post Office |
| Lawa Rampur BO | Branch Post Office |
| PKRampur BO | Branch Post Office |
| Sadiha BO | Branch Post Office |
| Singhauli 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.