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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 ...
What Is a Personal Identification Number? A PIN is a short series of numerals that a card or account holder must use to authenticate their identity in a digital transaction. This numeric code ...
A Postal Index Number (PIN; sometimes redundantly a PIN code) [note 1] refers to a six-digit code in the Indian postal code system used by India Post. On 15 August ...
A personal unblocking key (PUK), sometimes called personal unblocking code (PUC), is used in SIM cards to reset a personal identification number (PIN) that has been lost or forgotten. Most mobile phones offer the feature of PIN protection.
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A complete 13-digit code has 5-digit number representing region, sector, city, and zone; 4-digit X between 2000 and 5999; 4-digit Y between 6000 and 9999. [23] Digits of 5-digit code may represent postal region, sector, branch, section, and block respectively.
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.
The first position also does not make use of the letters W or Z. This means the maximum number of FSAs available is 18×10×20 = 3,600. With 10×20×10 = 2,000 possible LDUs in each FSA, there is a theoretical limit of 7.2 million postal codes.