Pincode 813103 is a 6-digit postal code serving 16 post offices in Banka district, Bihar. Barahat SO is the Post Office for this area, located at 24.9144°N, 87.0062°E. The first digit ‘8’ identifies the Bihar postal region; the full code pinpoints the Banka delivery zone.
| Post Office | Type |
|---|---|
| Barahat SO | Post Office |
| Auria BO | Branch Post Office |
| Balia Mahra BO | Branch Post Office |
| BARHUNA BO | Branch Post Office |
| Basmatta BO | Branch Post Office |
| Dhakamor BO | Branch Post Office |
| Jagatpur BO | Branch Post Office |
| Kajhia BO | Branch Post Office |
| Kakwara BO | Branch Post Office |
| KHARHARA BO | Branch Post Office |
| Khojhi BO | Branch Post Office |
| Lakhpura BO | Branch Post Office |
| Narayanpur BO | Branch Post Office |
| Sondiha Babhangama BO | Branch Post Office |
| Sondiha Dharmdiha BO | Branch Post Office |
| Telia 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.