DIGIPIN, or Digital Postal Index Number, is a 10-character alphanumeric code assigned to a 4m x 4m area in India, providing a precise location, unlike general PIN codes. Developed by India Post, IIT ...
Update, May 26, 2025: This story, originally published May 24, has been updated with a brief history of PIN codes, information regarding the most secure codes you can use and why 8068 really isn’t the ...