Pincode 841238 is a 6-digit postal code serving 17 post offices in Siwan district, Bihar. Mahrajganj SO Siwan 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 |
|---|---|
| Mahrajganj SO Siwan | Post Office |
| Balliapokhra BO | Branch Post Office |
| Bishunpura BO | Branch Post Office |
| Chhotkateghra BO | Branch Post Office |
| Deoria BO | Branch Post Office |
| Gohpur Bajrahia BO | Branch Post Office |
| Hahwa BO | Branch Post Office |
| Jigrawan BO | Branch Post Office |
| Karsaut BO | Branch Post Office |
| Kasdeora Bangra BO | Branch Post Office |
| Kothua Sarangpur BO | Branch Post Office |
| Pakwalia BO | Branch Post Office |
| Pasnauli BO | Branch Post Office |
| Rajapur BO | Branch Post Office |
| Rishura BO | Branch Post Office |
| Rukundipur BO | Branch Post Office |
| S Bangra 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.