Overview#ISO 3166-1 alpha-2 is the 2 letter Country Code.
ISO 3166-1 alpha-2 are the most widely used of the country codes published by ISO (the others being ISO 3166-1 alpha-3 and numeric), and are used most prominently for the Internet's country code top-level domains (with a few exceptions).
ISO 3166-1 alpha-2 were first included as part of the standard in its first edition of ISO 3166.
ISO 3166-1 alpha-2 codes are used in different environments and are also part of other standards. In some cases they are not perfectly implemented.
More Information#There might be more information for this subject on one of the following:
- Country Code
- Country String
- Data Country Codes
- Distinguished Names
- ISO 3166
- ISO 3166-1 alpha-3
- ISO 3166-1 numeric
- ISO 639
- OpenID Connect Standard Claims