847308 is the PIN Code of Sonai, which is located in Madhubani district, Bihar state.
Sonai Post Office is located at Sonai, Madhubani 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 Sonai PO is 847308. This Postoffice falls under Madhubani postal division of the Bihar postal circle.