841435 is the PIN Code of Guthni, which is located in Siwan district, Bihar state.
Guthni Post Office is located at Guthni, Siwan 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 Guthni PO is 841435. This Postoffice falls under Siwan postal division of the Bihar postal circle.