Since Java 9 you can use Locale::getISOCountries method, passing a flag for the 3-letter kind, Locale.IsoCountryCode.PART1_ALPHA3. boolean contains = Locale.getISOCountries (Locale.IsoCountryCode.PART1_ALPHA3).contains ("USA"); You can use both the Locale.getISOCountries () and Locale.getISO3Country () methods contained within the Locale class I will be dealing with a feed that gives me two letter country codes conforming to the ISO 3166-1 alpha-2 standard. So for instance, the United Kingdom has the code GB. My question is, is there some way to easily get back "United Kingdom" when providing "GB" as input into some .NET class or function? Hi, I want to have a formula that looks through a range of cells, and if a country is listed ( i.e United States) in a cell, then it will enter the 2 letter code in another cell (i.e US). This would apply for approximately 70 countries. Since the late 1980s, however, a number of postal administrations have changed the recommended codes to the two-letter country codes of ISO 3166. This would allow a universal, standardized code set to be used, and bring it in line with country codes used elsewhere in the UPU (Universal Postal Union). Attempts were also made (without success) to Two-letter country codes are used to represent countries and states (often both widely recognized and not) as a code of two letters. ISO 3166-1 alpha-2 is the main set of two-letter country codes that is currently used. Recommends that the two-letter alphabetic code referred to in the International Standard ISO 3166 as “ISO AL-PHA-2 Country Code”, should be used for representing the names of countries for purposes of International Trade whenever there is a need for a coded alphabetical desig-nation; Invites the secretariat to inform the appropriate ISO body These are codes for the country itself. See country code for a fuller explanation. CH ISO country code (ISO 3166-1 alpha-2, two letter) Internet Country code top-level domain (ccTLD) (see .ch) Distinguishing sign of vehicles in international traffic International Union of Railways alphabetical UIC Country Code WIPO ST.3 CHE ISO country code The official name of the standard is Codes for the representation of names of countries and their subdivisions – Part 1: Country codes. ISO 3166-1 alpha-2 – two-letter country codes which are the most widely used of the three, and used most prominently for the Internet's country code top-level domains (with a few exceptions). The alphabetic Vay Nhanh Fast Money.

is there a 2 letter country code