851118 is the PIN Code of Amarpur, which is located in Gopalganj district, Bihar state.
Amarpur Post Office is located at Amarpur, Begusarai 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 Amarpur PO is 851118. This Postoffice falls under Begusarai postal division of the Bihar postal circle.