841503 is the PIN Code of Koiripatti, which is located in Gopalganj district, Bihar state.
Koiripatti Post Office is located at Koiripatti, 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 Koiripatti PO is 841503. This Postoffice falls under Siwan postal division of the Bihar postal circle.