847403 is the PIN Code of Gangapur, which is located in Madhubani district, Bihar state.
Gangapur Post Office is located at Gangapur, 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 Gangapur PO is 847403. This Postoffice falls under Madhubani postal division of the Bihar postal circle.