From HEXONET Wiki
IDN Language Tags (Verisign)
When registering IDN domains with VeriSign you have to specifiy a special language tag, which states what language/character set the domain name is in. The language tag is not the same as the ISO Country code. Please take a look at the accompanying table for a list of valid IDN language tags.
| Language | Tag | |
| Afrikaans | AFR | |
| Albanian | ALB | |
| Arabic | ARA | |
| Aragonese | ARG | |
| Armenian | ARM | |
| Assamese | ASM | |
| Asturian | AST | |
| Avestan | AVE | |
| Awadhi | AWA | |
| Azerbaijani | AZE | |
| Balinese | BAN | |
| Baluchi | BAL | |
| Basa | BAS | |
| Bashkir | BAK | |
| Basque | BAQ | |
| Belarusian | BEL | |
| Bengali | BEN | |
| Bhojpuri | BHO | |
| Bosnian | BOS | |
| Bulgarian | BUL | |
| Burmese | BUR | |
| Carib | CAR | |
| Catalan | CAT | |
| Chechen | CHE | |
| Chinese | CHI | |
| Chuvash | CHV | |
| Coptic | COP | |
| Corsican | COS | |
| Croatian | SCR | |
| Czech | CZE | |
| Danish | DAN | |
| Divehi | DIV | |
| Dogri | DOI | |
| Dutch | DUT | |
| English | ENG | |
| Estonian | EST | |
| Faroese | FAO | |
| Fijian | FIJ | |
| Finnish | FIN | |
| French | FRE | |
| Frisian | FRI | |
| Gaelic | GLA | |
| Georgian | GEO | |
| German | GER | |
| Gondi | GON | |
| Greek | GRE | |
| Gujarati | GUJ | |
| Hebrew | HEB | |
| Hindi | HIN | |
| Hungarian | HUN | |
| Icelandic | ICE | |
| Indic | INC | |
| Indonesian | IND | |
| Ingush | INH | |
| Irish | GLE | |
| Italian | ITA | |
| Japanese | JPN | |
| Javanese | JAV | |
| Kashmiri | KAS | |
| Kazakh | KAZ | |
| Khmer | KHM | |
| Kirghiz | KIR | |
| Korean | KOR | |
| Kurdish | KUR | |
| Lao | LAO | |
| Latvian | LAV | |
| Lithuanian | LIT | |
| Luxembourgisch | LTZ | |
| Macedonian | MAC | |
| Malayalam | MAL | |
| Malay | MAY | |
| Maltese | MLT | |
| Maori | MAO | |
| Moldavian | MOL | |
| Mongolian | MON | |
| Nepali | NEP | |
| Norwegian | NOR | |
| Oriya | ORI | |
| Ossetian | OSS | |
| Panjabi | PAN | |
| Persian | PER | |
| Polish | POL | |
| Portuguese | POR | |
| Pushto | PUS | |
| Rajasthani | RAJ | |
| Romanian | RUM | |
| Russian | RUS | |
| Samoan | SMO | |
| Sanskrit | SAN | |
| Sardinian | SRD | |
| Serbian | SCC | |
| Sindhi | SND | |
| Sinhalese | SIN | |
| Slovak | SLO | |
| Slovenian | SLV | |
| Somali | SOM | |
| Spanish | SPA | |
| Swahili | SWA | |
| Swedish | SWE | |
| Syriac | SYR | |
| Tajik | TGK | |
| Tamil | TAM | |
| Telugu | TEL | |
| Thai | THA | |
| Tibetan | TIB | |
| Turkish | TUR | |
| Ukrainian | UKR | |
| Urdu | URD | |
| Uzbek | UZB | |
| Vietnamese | VIE | |
| Welsh | WEL | |
| Yiddish | YID |