847212 is the PIN Code of Dumari, which is located in Madhubani district, Bihar state.
Dumari Post Office is located at Dumari, Madhubani 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 Dumari PO is 847212. This Postoffice falls under Madhubani postal division of the Bihar postal circle.