813109 is the PIN Code of Kolhatha, which is located in Banka district, Bihar state.
Kolhatha Post Office is located at Kolhatha, Banka 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 Kolhatha PO is 813109. This Postoffice falls under Bhagalpur postal division of the Bihar postal circle.