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Mar 28, 2022 · All countries are represented by a 2-letter and 3-letter country code based on the International Naming Convention (ISO - International Organization for Standardization 3166). The 2-letter code is meant for more general purposes, while the 3-letter code more closely resembles the country’s name.
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As a consequence, for example, the United Kingdom is officially assigned the alpha-2 code GB rather than UK, based on its official name "United Kingdom of Great Britain and Northern Ireland" (although UK is reserved on the request of the United Kingdom). Some codes are chosen based on the native names of the countries.
English Short Name (using Title Case)Alpha-2 CodeAlpha-3 CodeNumeric CodeAFG004ALA248ALB008DZA012The list can be ordered on the 2-letter abbreviation or on the country name. (Not a valid ISO 3166‑1 country code. See "GB") If you can't find the country you're looking for, do a search with your browser. Sorting can be by country or by abbreviation.
Country Name2-letter AbbreviationAfghanistanAFAland IslandsAXAlbaniaALAlgeriaDZISO 3166-1 alpha-2 codes are two-letter country codes defined in ISO 3166-1, part of the ISO 3166 standard [1] 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 sortable table below contains the three sets of ISO 3166-1 country codes for each of its 249 countries, links to the ISO 3166-2 country subdivision codes, and the Internet country code top-level domains (ccTLD) which are based on the ISO 3166-1 alpha-2 standard with the few exceptions noted.
Below is a list of two-letter codes (ISO alpha-2), and the three letter codes (ISO alpha-3), as well as the United Nations, used numerical code M49 for countries, dependencies, and other areas. (Dependencies marked in Italic writing)
Looking for the abbreviation of Ireland? Find out what is the most common shorthand of Ireland on Abbreviations.com! The Web's largest and most authoritative acronyms and abbreviations resource.