847121 is the PIN Code of Banka, which is located in Banka district, Bihar state.
Banka Post Office is located at Banka, 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 Banka PO is 847121. This Postoffice falls under Darbhanga postal division of the Bihar postal circle.