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What are the different types of country codes?
What are ISO 3166-1 alpha-2 country codes?
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It defines three sets of country codes: ISO 3166-1 alpha-2 – two-letter country codes which are also used to create the ISO 3166-2 country subdivision codes and the Internet country code top-level domains.
ISO 3166-1 alpha-2 codes are two-letter country codes defined in ISO 3166-1, part of the ISO 3166 standard published by the International Organization for Standardization (ISO), to represent countries, dependent territories, and special areas of geographical interest.
CodeCountry Name (using Title Case )YearCctld1974197419741974The ISO country codes are internationally recognized codes that designate every country and most of the dependent areas a two-letter combination or a three-letter combination; it is like an acronym, that stands for a country or a state. The country code is in use for example for the two-letter suffixes such as .us (United States), .fr (France ...
More common for this is the 2-letter code alpha-2. It is mainly used for assigning a country-specific domain. The European IBAN system for bank account numbers also uses this code. It is also often identical to the car license plate. Currency codes. No codes for currencies appear in the table above, but they also exist.
CountryIso 3166-1 Alpha2Iso 3166-1 Alpha3Iso 3166-1 NumericAFAFG004AXALA248ALALB008DZDZA012It defines three sets of country codes: ISO 3166-1 alpha-2 – two-letter country codes which are the most widely used of the three, [citation needed] and used most prominently for the Internet's country code top-level domains (with a few exceptions).
The country codes can be represented either as a two-letter code (alpha-2) which is recommended as the general-purpose code, a three-letter code (alpha-3) which is more closely related to the country name and a three-digit numeric code (numeric-3) which can be useful if you need to avoid using Latin script.
List of the International Country Codes, with two letter code (ISO alpha-2), the three letter code (ISO alpha-3), the UN numeric code (ISO 3166-1 numeric-3), the FIPS 10-4 code.
