854201 is the PIN Code of Kala Balua, which is located in Purnia district, Bihar state.
Kala Balua Post Office is located at Kala Balua, Purnia 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 Kala Balua PO is 854201. This Postoffice falls under Purnea postal division of the Bihar postal circle.