We use PIN codes every day for online shopping, banking, and sending letters, but few people know what the acronym actually stands for.
There are 9 PIN regions in India — 8 geographical regions and 1 dedicated exclusively to the Indian Army (Army Postal Service), which always starts with '9'.
PIN = Postal Index Number
The PIN Code system is a 6-digit numbering system used by India Post to efficiently sort and deliver mail across the vast geography of India.
India is divided into 9 postal zones. The 6 digits of the PIN code tell a story:
Example: In 110001 (New Delhi), '11' is Delhi, '0' is the sorting district, and '001' is the Connaught Place post office.
The PIN code system was introduced on 15 August 1972 by Shriram Bhikaji Velankar, an additional secretary in the Union Ministry of Communications, to eliminate confusion caused by duplicate town names and poor handwriting.
**ZIP (Zone Improvement Plan)** code is the American equivalent of the Indian PIN code. When international websites ask for a ZIP code, Indians should enter their 6-digit PIN code.
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