843128 is the PIN Code of Sonbarsa, which is located in Buxar district, Bihar state.
Sonbarsa Post Office is located at Sonbarsa, Muzaffarpur 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 Sonbarsa PO is 843128. This Postoffice falls under Muzaffarpur postal division of the Bihar postal circle.