852106 is the PIN Code of Kathdumar, which is located in Saharsa district, Bihar state.
Kathdumar Post Office is located at Kathdumar, Saharsa 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 Kathdumar PO is 852106. This Postoffice falls under Saharsa postal division of the Bihar postal circle.