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Smart number

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Smart Number

A smart number is any synthetic unique identifier that communicates additional information about the entity identified. The smart number is conceptually similar to a Superkey as defined in the relational model of database organization, but, is intended to inform end users about status of accounts. The term has fallen out of common usage since using one number to carry so much information is considered bad practice.

Common examples of smart numbers in use today include:

  • The US Social Security number - carries information about place of birth.
  • Credit Card numbers - contains information about the credit issuing company
  • Auto Insurance Account numbers - vary by company but may contain information such as billing date, account status, and modification count

In Australia a smartnumber is either a 13 or 1300 local rate number or a 1800 toll free number. The enhanced rights of use to these numbers are obtainable through an online auction process at www.smartnumbers.com.au Users who obtain the rights can retain those rights for life as long as there isn't a 3 year period of non connection. These numbers have become popular as they can spell the business name which is more memorable. Smartnumbers was first introduced in 2004 by the Australian Government. The Government retain the ownership of all numbers.

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