Code taken from name in French : Maroc. Also, the "exceptionally reserved" alpha-2 codes defined in ISO with the exception of UK are also usable as region subtags for language tags. Name changed to Myanmar MM. They are the most widely used of the country codes published by ISO the others being alpha-3 and numeric , and are used most prominently for the Internet 's country code top-level domains with a few exceptions. SK previously represented Sikkim. Society for Worldwide Interbank Financial Telecommunication.