845438 is the PIN Code of Bk Chowk, which is located in West Champaran district, Bihar state.
BK Chowk Post Office is located at BK Chowk, West Champaran 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 BK Chowk PO is 845438. This Postoffice falls under West Champaran postal division of the Bihar postal circle.