Pincode 813211 is a 6-digit postal code serving 22 post offices in Banka district, Bihar. Shambhuganj SO is the Post Office for this area, located at 25.0565°N, 86.7271°E. The first digit ‘8’ identifies the Bihar postal region; the full code pinpoints the Banka delivery zone.
| Post Office | Type |
|---|---|
| Shambhuganj SO | Post Office |
| BAIDPUR B.O | Branch Post Office |
| BASBITTA B.O | Branch Post Office |
| Belarimilki BO | Branch Post Office |
| BHALUA B.O | Branch Post Office |
| CHATMADIH B.O | Branch Post Office |
| CHHATAHA DHANIAR B.O | Branch Post Office |
| Chutia BO | Branch Post Office |
| Gidhora BO | Branch Post Office |
| GULNI KUSAHA B.O | Branch Post Office |
| Kadrachak BO | Branch Post Office |
| Kaitha BO | Branch Post Office |
| Kasba BO | Branch Post Office |
| Krma BO | Branch Post Office |
| Kumarpur BO | Branch Post Office |
| Mahisota BO | Branch Post Office |
| Mirzapur BO | Branch Post Office |
| Pakaria BO | Branch Post Office |
| Pararia BO | Branch Post Office |
| RAMCHUA B.O | Branch Post Office |
| Saguni BO | Branch Post Office |
| Warsabad 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.