Pincode 811309 is a 6-digit postal code serving 7 post offices in Lakhisarai district, Bihar. Kajra SO is the Post Office for this area, located at 25.3726°N, 86.4905°E. The first digit ‘8’ identifies the Bihar postal region; the full code pinpoints the Lakhisarai delivery zone.
| Post Office | Type |
|---|---|
| Kajra SO | Post Office |
| Arma BO | Branch Post Office |
| Lai BO | Branch Post Office |
| Pawai BO | Branch Post Office |
| Pokhrama BO | Branch Post Office |
| Sri Kishun B.O | Branch Post Office |
| Urain BO | Branch Post Office |
Data sourced from India Post, Department of Posts, Government of India. Data last verified: May 2026.
Lakhisarai, Bihar. Map data: OpenStreetMap, CARTO.