851216 is the PIN Code of Kolwara, which is located in Khagaria district, Bihar state.
Kolwara Post Office is located at Kolwara, Khagaria 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 Kolwara PO is 851216. This Postoffice falls under Begusarai postal division of the Bihar postal circle.