The pin code of Gangtok, East Sikkim, Sikkim is 737101. The post office Gangtok is located in the district East Sikkim, Sikkim. The first two digit of pin code denotes 73, which is listed in Sikkim.
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What is Pin Code?
The Postal Index Number (PIN) or PIN Code is a 6 digit code of Post Office numbering used by India Post. The PIN was introduced on August 15, 1972. The PINcode is 6 digits long. First digit reflects region, second the sub-region, third the sorting district, and last three represent the post office code.