847404 is the PIN Code of Harna, which is located in Madhubani district, Bihar state.
Harna Post Office is located at Harna, 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 Harna PO is 847404. This Postoffice falls under Madhubani postal division of the Bihar postal circle.