The calculator below finds the country by the country code. 4 types of country codes are supported:
ISO 3166-1 alpha 2 code - two letter country code
ISO 3166-1 alpha 3 code - three letter country code
ISO 3166-1 numeric code - three digit country/territory code
FIPS 10-4 - two-letter country codes previously used by the U.S. Government
Country by code
ISO alpha, ISO numeric, or FIPS 10-4 code
Alpha 3 code
FIPS 10-4 code
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The following calculator displays ISO/FIPS codes for a selected country.
Code by country
ISO 3166 Alpha 2 code
ISO 3166 Alpha 3 code
ISO 3166-1 numeric
FIPS 10-4 code
ISO 3166 is a standard defined the codes for the representation of names of countries and their subdivisions published by the International Organization for Standardization (ISO). Part 1 of the standard defines three types of country codes: 2-letter, 3-letter and 3-digit codes. 2-letter code is the most widely used one. Internet top-level country domains in most cases correspond to 2-letter ISO 3166 codes. 3-letter codes are used in standards for machine readable-passports. ISO 3-letter country code are also stamped on car plates to identify the country. Numeric ISO 3166 codes can be useful if the Latin script has to be avoided.
FISP 10-4 - two-letter country codes that were used by the U.S. Government for geographical data processing. FIPS codes are similar to ISO 3166 alpha 2, but the codes are different for some countries. E.g. Russia code in ISO 3166 is RU, whereas FIPS code for Russia is RS.
Sources: ISO 3166, CLDR - Unicode Common Locale Data Repository