737128 is the PIN Code of Lungchuk, which is located in South Sikkim district, Sikkim state.
Lungchuk Post Office is located at Lungchuk, South Sikkim of SIKKIM 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 Lungchuk PO is 737128. This Postoffice falls under Sikkim postal division of the West Bengal postal circle.