Pincode 841435 is a 6-digit postal code serving 9 post offices in Siwan district, Bihar. Guthni SO is the Post Office for this area, located at 26.2270°N, 84.2934°E. The first digit ‘8’ identifies the Bihar postal region; the full code pinpoints the Siwan delivery zone.
| Post Office | Type |
|---|---|
| Guthni SO | Post Office |
| Balua BO | Branch Post Office |
| Bhlua BO | Branch Post Office |
| Chakari BO | Branch Post Office |
| Chitakhal BO | Branch Post Office |
| Dumrahar BO | Branch Post Office |
| Srikalpur BO | Branch Post Office |
| Tarwa Parsia BO | Branch Post Office |
| Tenua 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.