identification number

Definitions of identification number
  1. noun
    a numeral or string of numerals that is used for identification
    synonyms: number
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    ABA transit number, BIN, bank identification number
    an identification number consisting of a two-part code assigned to banks and savings associations; the first part shows the location and the second identifies the bank itself
    license number, registration number
    the number on the license plate that identifies the car that bears it
    Social Security number
    the number of a particular individual's Social Security account
    PIN, PIN number, personal identification number
    a number you choose and use to gain access to various accounts
    type of:
    positive identification
    evidence proving that you are who you say you are; evidence establishing that you are among the group of people already known to the system; recognition by the system leads to acceptance
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