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A PIN Code (Postal Index Number) is a 6-digit code used by India Post to identify specific post offices across India. Introduced on 15th August 1972, the PIN code system helps in efficient sorting and delivery of mail across the country.
The first digit represents the postal zone — there are 9 PIN zones in India. The first two digits identify the sub-region or postal circle. The third digit indicates the sorting district, and the last three digits pinpoint the specific post office.
IndPostalCode.in provides a free and comprehensive directory of all PIN codes in India, covering over 1,65,627 post offices across 36 states and union territories. Search by area name, PIN code, or post office name to instantly find accurate postal information.