Lists of country codes

This is a listing of lists of country codes:

• List of ISO country codes (ISO 3166)
• ITU country code (International Telecommunication Union)
  • List of country calling codes E.164
  • Mobile country code E.212
  • Maritime identification digits
  • List of ITU letter codes (radiocommunication division)
• UIC country code (International Union of Railways)
• List of GS1 country codes
• List of NATO country codes
• List of IOC country codes (International Olympic Committee)
• List of FIFA country codes (International Federation of Association Football)
• List of FIPS country codes
• List of vehicle registration codes