841438 is the PIN Code of Sawana, which is located in Gopalganj district, Bihar state.
Sawana Post Office is located at Sawana, Gopalganj 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 Sawana PO is 841438. This Postoffice falls under Siwan postal division of the Bihar postal circle.