Pincode 831011 is a 6-digit postal code serving 1 post office in East Singhbum district, Jharkhand. Sonari SO East Singhbhum is the Post Office for this area, located at 22.8235°N, 86.1730°E. The first digit ‘8’ identifies the Jharkhand postal region; the full code pinpoints the East Singhbum delivery zone.
| Post Office | Type |
|---|---|
| Sonari SO East Singhbhum | Post Office |
Data sourced from India Post, Department of Posts, Government of India. Data last verified: May 2026.
East Singhbum, Jharkhand. Map data: OpenStreetMap, CARTO.