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Learn about the standard codes for the names of countries and their subdivisions, maintained by the International Organization for Standardization (ISO). Find the ISO 3166-1 alpha-2, alpha-3 and numeric codes, the ISO 3166-2 subdivision codes and the Internet country code top-level domains for each of the 249 countries.
Learn about the two-letter country codes defined by ISO 3166-1, which are used for various purposes such as domain names, postal codes, and international standards. See the full list of codes, their meanings, and exceptions for GB (United Kingdom) and other regions.
Learn about the ISO 3166-1 standard that defines codes for the names of countries, dependent territories, and special areas of geographical interest. Find out the criteria, information, and disputes for the three sets of country codes: alpha-2, alpha-3, and numeric.
FIPS 10-4 is a standard for two-letter codes for countries and their subdivisions, used by the US government for geographical data processing. The list includes codes for independent countries, dependent territories, and areas of special sovereignty, as well as their short-form names.
Learn about the heritage and current codes used by NATO for geographical entities, subdivisions, and imaginary countries. See the changes and exceptions from ISO 3166-1 and FIPS 10-4 standards.
Learn about the standard set of two-letter codes for countries and states, known as ISO 3166-1 alpha-2, and their usage and history. Find out the difference between ISO 3166-1 alpha-2 and other codes, such as vehicle registration codes.
The web page lists the International Olympic Committee (IOC) country codes for 206 current and past National Olympic Committees (NOCs). The code for Indonesia is INA, which was used from 1960 to 1968.
Learn about the telephone number prefixes for reaching foreign countries or areas via international telecommunication networks. Find out the country code for Angola (244) and other countries in different world zones.