811309 is the PIN Code of Arma, which is located in Lakhisarai district, Bihar state.
Arma Post Office is located at Arma, Lakhisarai 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 Arma PO is 811309. This Postoffice falls under Monghyr postal division of the Bihar postal circle.