737139 is the PIN Code of Sangmoo, which is located in South Sikkim district, Sikkim state.
Sangmoo Post Office is located at Sangmoo, 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 Sangmoo PO is 737139. This Postoffice falls under Sikkim postal division of the West Bengal postal circle.