Pincode 813203 is a 6-digit postal code serving 9 post offices in Bhagalpur district, Bihar. Kahalgaon SO is the Post Office for this area, located at 25.2657°N, 87.2354°E. The first digit ‘8’ identifies the Bihar postal region; the full code pinpoints the Bhagalpur delivery zone.
| Post Office | Type |
|---|---|
| Kahalgaon SO | Post Office |
| Bhawanipur BO | Branch Post Office |
| Kalgigaj BO | Branch Post Office |
| Kasri BO | Branch Post Office |
| Lalapur Bhader BO | Branch Post Office |
| Mahesh Munda BO | Branch Post Office |
| Patharghatta BO | Branch Post Office |
| Sangitbaita BO | Branch Post Office |
| Shobhnathpur BO | Branch Post Office |
Data sourced from India Post, Department of Posts, Government of India. Data last verified: May 2026.
Bhagalpur, Bihar. Map data: OpenStreetMap, CARTO.