The pin code of Kolkatta G.P.O. , Kolkata, West bengal is 700001. The post office Kolkatta G.P.O. is located in the district Kolkata, West bengal. The first two digit of pin code denotes 70, which is listed in West bengal.
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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.