811311 is the PIN Code of Dhiradar, which is located in Lakhisarai district, Bihar state.
Dhiradar Post Office is located at Dhiradar, 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 Dhiradar PO is 811311. This Postoffice falls under Monghyr postal division of the Bihar postal circle.