ISO 639 - The Six Parts of The Standard

The Six Parts of The Standard

Standard Name (Codes for the representation of names of languages – ...) First edition Current No. in list
ISO 639-1 Part 1: Alpha-2 code 1967 (as ISO 639) 2002 184
ISO 639-2 Part 2: Alpha-3 code 1998 1998 >450
ISO 639-3 Part 3: Alpha-3 code for comprehensive coverage of languages 2007 2007 7704 + local range
ISO 639-4 Part 4: Implementation guidelines and general principles for language coding 2010-07-16 2010-07-16 (not a list)
ISO 639-5 Part 5: Alpha-3 code for language families and groups 2008-05-15 2008-05-15 114
ISO 639-6 Part 6: Alpha-4 representation for comprehensive coverage of language variants 2009-11-17 2009-11-17 ?

Each part of the standard is maintained by a maintenance agency, which adds codes and changes the status of codes when needed.

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