Language codes
The 2 or 3 character ISO 639 language codes are used in the hashtag #xy2wiki and can be combined with the hashtags for products and services that are important for Reading and writing by native and second language speakers of a language.
Such products and services include:
| CPC tag | CPC service division or group |
|---|---|
| #cpc322xy | #cpc322 - Books, in print product of #isic581 - Publishing of books, periodicals and other publishing activities |
| #cpc3221xy | #cpc3221 - Educational textbooks, in print product of #isic581 - Publishing of books, periodicals and other publishing activities |
| #cpc7329xy | #cpc7329 - Leasing or rental services concerning other goods n.e.c., product of #isic9101 - Library and archives activities |
| #cpc8395xy | #cpc8395 - Translation and interpretation services, product of #isic7490 - Other professional, scientific and technical activities n.e.c. |
| #cpc843xy | #cpc843 - On-line content, product of #isic581 - Publishing of books, periodicals and other publishing activities |
| #cpc8431xy | #cpc8431 - On-line text based information, product of #isic581 - Publishing of books, periodicals and other publishing activities |
| #cpc844xy | #cpc844 - News agency services of #isic6391 - News agency activities |
| #cpc8451xy | #cpc8451 - Library services of #isic9101 - Library and archives activities |
| #cpc8452xy | #cpc8452 - Archive services of #isic9101 - Library and archives activities |
| #cpc9632xy | #cpc9632 - Services of authors, composers, sculptors and other artists, except performing artists of #isic9000 - Creative, arts and entertainment activities |
Annex 5 alphabetically lists over 500 languages with their ISO 639 code.