847203 is the PIN Code of Sonpur, which is located in Darbhanga district, Bihar state.
Sonpur Post Office is located at Sonpur, Darbhanga of BIHAR 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 Sonpur PO is 847203. This Postoffice falls under Darbhanga postal division of the Bihar postal circle.