What is Postal Code?

The Postal Code or PIN Code was first introduced on August 15, 1972. PIN Code (Postal Index Number) is a 6 digit long code of Post Office numbering used by India Post. There are 9 PIN regions in India, out of which first 8 are geographical regions and the 9th one is reserved for the Army Postal Service.

In six digits of the postal code, first one denotes the region. When added second digit, it represent the postal circle. When added the third digit, it represent the sorting / revenue district. And the last three digits out of six refer to the delivery Post Office.

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