841434 is the PIN Code of Hariharpur Kala, which is located in Siwan district, Bihar state.
Hariharpur Kala Post Office is located at Hariharpur Kala, Siwan 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 Hariharpur Kala PO is 841434. This Postoffice falls under Siwan postal division of the Bihar postal circle.