734316 is the PIN Code of Topkhana, which is located in Darjiling district, West Bengal state.
Topkhana Post Office is located at Topkhana, Darjiling of WEST BENGAL 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 Topkhana PO is 734316. This Postoffice falls under Darjeeling postal division of the West Bengal postal circle.