731216 is the PIN Code of Sonj, which is located in Birbhum district, West Bengal state.
Sonj Post Office is located at Sonj, Birbhum of WEST BENGAL state. It is a Branch Post Office. A Post Office (PO) / Dak Ghar is a facility in charge of sorting, processing, and delivering mail to recipients. POs are usually regulated and funded by the Government of India (GOI). Pin code of Sonj PO is 731216. This Postoffice falls under Birbhum postal division of the West Bengal postal circle.