Pincode 841423 is a 6-digit postal code serving 8 post offices in Gopalganj district, Bihar. Sidhwalia SO is the Post Office for this area, located at 26.3351°N, 84.6662°E. The first digit ‘8’ identifies the Bihar postal region; the full code pinpoints the Gopalganj delivery zone.
| Post Office | Type |
|---|---|
| Sidhwalia SO | Post Office |
| Amarpura BO | Branch Post Office |
| Barhima BO | Branch Post Office |
| Dumaria BO | Branch Post Office |
| Harpur Tengrahi BO | Branch Post Office |
| Jhanjhawa Mohamadpur BO | Branch Post Office |
| Sorahiya BO | Branch Post Office |
| Tekniwas BO | Branch Post Office |
Data sourced from India Post, Department of Posts, Government of India. Data last verified: May 2026.
Gopalganj, Bihar. Map data: OpenStreetMap, CARTO.