List of all ISO 3166-1 alpha-2 codes
The ISO 3166-1 alpha-2 is an international standard that designates two-letter country codes. These codes are widely adopted in various domains, from automotive labeling to domain names on the web. In the realm of software localization, these codes are crucial. They are paired with language codes from the ISO 639-1 standard to form locale identifiers. This combination helps address cultural nuances, differences in terminology, and local conventions.
The country code table is shown below.
The ISO 3166-1 alpha-2 codes should be considered case-insensitive. However, they are usually written in uppercase.
ISO 3166-1 alpha-2 and ISO 3166-1 alpha-3 are both parts of the ISO 3166 standard that designates country codes. The primary difference is that the alpha-2 uses two-letter codes, while the alpha-3 uses three-letter codes. In the realm of software localization, the ISO 3166-1 alpha-2 is generally preferred due to its brevity and the fact that it is preferred as the general-purpose code. However, both serve the purpose of uniquely identifying countries, dependent territories, and special areas of geographical interest on a global scale.
The ISO 3166-1 alpha-2 is a standard commonly used to make region-specific locale codes. These codes, when combined with ISO 639-1 language codes, represent specific language and region pairs. For instance:
fr-CA – French as spoken in Canada
fr-FR – French as spoken in France.
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