277304 is the PIN Code of Karnai, which is located in Ballia district, Uttar Pradesh state.
Karnai Post Office is located at Karnai, Ballia of UTTAR PRADESH 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 Karnai PO is 277304. This Postoffice falls under Ballia postal division of the Uttar Pradesh postal circle.