Pincode 813107 is a 6-digit postal code serving 11 post offices in Banka district, Bihar. Rajoun SO is the Post Office for this area, located at 25.2494°N, 87.0098°E. The first digit ‘8’ identifies the Bihar postal region; the full code pinpoints the Banka delivery zone.
| Post Office | Type |
|---|---|
| Rajoun SO | Post Office |
| Bamdev BO | Branch Post Office |
| Dhauni BO | Branch Post Office |
| Gopalpur BO | Branch Post Office |
| Kathoun BO | Branch Post Office |
| Lakra BO | Branch Post Office |
| Morma BO | Branch Post Office |
| Patsorikhaira BO | Branch Post Office |
| Ranjodha BO | Branch Post Office |
| Rojabar BO | Branch Post Office |
| Uprama BO | Branch Post Office |
Data sourced from India Post, Department of Posts, Government of India. Data last verified: May 2026.
Banka, Bihar. Map data: OpenStreetMap, CARTO.