734201 is the PIN Code of Kolbong, which is located in Darjiling district, West Bengal state.
Kolbong Post Office is located at Kolbong, Darjiling of WEST BENGAL 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 Kolbong PO is 734201. This Postoffice falls under Darjeeling postal division of the West Bengal postal circle.