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  • Writer's pictureSedat Onat

ISO 3166 - Country Coding System

Updated: Aug 30, 2023

It is a code system developed for use in official elements such as the license plates of countries. In this way, countries and even cities/states can be separated quickly.


  • Alpha-2 > 2-digit alphabetic code > Ex: TR > Format used as standard and also used in license plates

  • Alpha-3 > 3-digit alphabetic code > For example: TUR > Code form that shows the country name more

  • Numeric Code > Ex: 792

  • Sub Codes > TR-56 > Siirt





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