Pincode 851131 is a 6-digit postal code serving 13 post offices in Begusarai district, Bihar. Rajaura SO is the Post Office for this area, located at 25.4167°N, 86.1294°E. The first digit ‘8’ identifies the Bihar postal region; the full code pinpoints the Begusarai delivery zone.
| Post Office | Type |
|---|---|
| Rajaura SO | Post Office |
| Ajhaur BO | Branch Post Office |
| Babhangama BO | Branch Post Office |
| Banduar BO | Branch Post Office |
| Chandpura BO | Branch Post Office |
| Chhapki BO | Branch Post Office |
| Chilmil BO | Branch Post Office |
| Damdama BO | Branch Post Office |
| Kaith BO | Branch Post Office |
| Khamhar BO | Branch Post Office |
| Mohanpur BO | Branch Post Office |
| Parna BO | Branch Post Office |
| Sankh BO | Branch Post Office |
Data sourced from India Post, Department of Posts, Government of India. Data last verified: May 2026.
Begusarai, Bihar. Map data: OpenStreetMap, CARTO.