814131 is the PIN Code of Kumartar, which is located in Banka district, Bihar state.
Kumartar Post Office is located at Kumartar, Banka 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 Kumartar PO is 814131. This Postoffice falls under Bhagalpur postal division of the Bihar postal circle.