PIN code 737101 – East District, Sikkim

737101 is the PIN code of 2 post offices in East District district, Sikkim, served by the Sichey Gaon SO sub office.

Post office	Type	Delivery	Division
Sichey Gaon SOMap	Post office	No	Sikkim Division
Gangtok HOMap	Head office	Yes	Sikkim Division

Source: India Post PIN code directory (Open Government Data). Branch offices usually get mail through their sub or head office.