846002 is the PIN Code of Sirnia, which is located in Darbhanga district, Bihar state.
Sirnia Post Office is located at Sirnia, Darbhanga 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 Sirnia PO is 846002. This Postoffice falls under Darbhanga postal division of the Bihar postal circle.