843327 is the PIN Code of Riga, which is located in Sitamarhi district, Bihar state.
Riga Post Office is located at Riga, Sitamarhi of BIHAR state. It is a Sub 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 Riga PO is 843327. This Postoffice falls under Sitamarhi postal division of the Bihar postal circle.