ISO 639 is one of many international standards that list short codes for language names. ISO 639 consists of different area, of which 2 area come presently published. A more area come works around progress.

There are deuce things for ISO 639: ISO 639-1:2002 Codes for the representation of list of languages -- A share One: Alpha-Two code ISO 639-2:1998 Codes for the representation of list of languages -- Section Two: Alpha-Three code

Within more words, there are 2-letter codes & 3-letter codes. Twenty-2 of the languages stand 2 3-letter codes. For these languages, a number 1 3-letter code is for bibliographical utilize (ISO 639-2/B), & a 2nd 3-letter code is for terminological utilize (ISO 639-2/T).

A as a result area come however existence developed: ISO 639-3:2006? Codes for the representation of list of languages -- A portion Three: Alpha-Three code for comprehensive coverage of languages [http://xml.coverpages.org/Nx74Clews-part3.pdf] ISO 639-4:2007? Codes for the representation of list of languages -- A portion Four: Implementation guidelines & general lesson for language coding ISO 639-5:2006? Codes for the representation of list of languages -- Section Five: Alpha-Three code for language families & groups