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  2. Postal Index Number - Wikipedia

    en.wikipedia.org/wiki/Postal_Index_Number

    Postal Index Number. 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 2022, the PIN system celebrated its 50th anniversary.

  3. Personal identification number - Wikipedia

    en.wikipedia.org/wiki/Personal_identification_number

    Personal identification number. A personal identification number (PIN), PIN code, or sometimes redundantly a 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 ...

  4. Postal code - Wikipedia

    en.wikipedia.org/wiki/Postal_code

    Postal code. 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. As of August 2021, the Universal Postal Union ...

  5. What’s a Personal Identification Number (PIN) - AOL

    www.aol.com/finance/personal-identification...

    An individual’s PIN is the four-digit code they set after opening a debit account with their bank of choice. It is used as a layer of authentication when they perform an electronic transaction ...

  6. ZIP Code - Wikipedia

    en.wikipedia.org/wiki/ZIP_Code

    A ZIP Code (an acronym for Zone Improvement Plan[1]) is a system of postal codes used by the United States Postal Service (USPS). The term ZIP was chosen to suggest that the mail travels more efficiently and quickly [2] (zipping along) when senders use the code in the postal address. Introduced on July 1, 1963, the basic format comprised five ...

  7. List of postal codes - Wikipedia

    en.wikipedia.org/wiki/List_of_postal_codes

    NNNNN, NNNNN-NNNN. U.S. ZIP codes. ZIP codes 006XX for NW PR, 007XX for SE PR, in which XX designates the town or post office and 009XX for the San Juan Metropolitan Area, in which XX designates the area or borough of San Juan. The last four digits identify an area within the post office.

  8. Postal codes in Ghana - Wikipedia

    en.wikipedia.org/wiki/Postal_codes_in_Ghana

    Postal codes were adopted in Ghana on 18 October 2017, following the launch of the National Digital Address System. [1] [2] As a joint venture between Ghana Post (with support from the Government of Ghana]) and Vokacom Ltd as GhanaPost GPS, the Digital Address System assigned postal codes and unique addresses to every square in Ghana.

  9. Personal unblocking key - Wikipedia

    en.wikipedia.org/wiki/Personal_unblocking_key

    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. After switching on the phone, if the PIN security function is active, the user is required to enter a 4-8 ...