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

Lists of country codes by country
A – B – C – D–E – F – G – H–I – J–K – L – M – N – O–Q – R – S – T – U–Z

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