854340 is the PIN Code of Birpur (supaul), which is located in Supaul district, Bihar state.
Birpur (Supaul) Post Office is located at Birpur (Supaul), Supaul of BIHAR state. It is a Sub 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 Birpur (Supaul) PO is 854340. This Postoffice falls under Saharsa postal division of the Bihar postal circle.