737135 is the PIN Code of Upper Martam, which is located in East Sikkim district, Sikkim state.
Upper Martam Post Office is located at Upper Martam, East 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 Upper Martam PO is 737135. This Postoffice falls under Sikkim postal division of the West Bengal postal circle.