The pin code of Mumbai G.P.O. , Mumbai, Maharashtra is 400001. The post office Mumbai G.P.O. is located in the district Mumbai, Maharashtra. The first two digit of pin code denotes 40, which is listed in Maharashtra.
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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.