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A personal identification number (PIN; sometimes redundantly a PIN code or PIN number) is a numeric (sometimes alpha-numeric) passcode used in the process of authenticating a user accessing a system. The PIN has been the key to facilitating the private data exchange between different data-processing centers in computer networks for financial ...
The PIN system was introduced on 15 August 1972 by Shriram Bhikaji Velankar, an additional secretary in the Government of India's Ministry of Communications. [1] [2] [3] The system was introduced to simplify the manual sorting and delivery of mail by eliminating confusion over incorrect addresses, similar place names, and different languages used by the public.
Post office sign in Farrer, Australian Capital Territory, showing postcode 2607. A postal code (also known locally in various English-speaking countries throughout the world as a postcode, post code, PIN or ZIP Code) is a series of letters or digits or both, sometimes including spaces or punctuation, included in a postal address for the purpose of sorting mail.
It is presented in the format A12 A1BC The first 3 characters are a routing key referring to a postal district, and the second 4 characters are a unique, pseudorandom identifier for individual properties. The codes are only used in full 7-character format. See: www.eircode.ie for more information. See also Republic of Ireland postal addresses.
Your billing zip code, or credit card postal code, is the five-digit number on the bottom right, which in this sample is 90210. This would be the zip code associated with your billing address.
A credit card security code is a three- or four-digit code that’s unique to your card. In case a merchant asks, the security code goes by a few different names , mainly the: Card Verification ...
In 2010, a number of companies began issuing pre-paid debit cards that incorporate Chip and PIN and allow Americans to load cash as euros or pound sterling. [84] [1] United Nations Federal Credit Union was the first United States issuer to offer Chip and PIN credit cards. [85]
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