| català | cat-000 | 3GPP |
| čeština | ces-000 | 3GPP |
| 普通话 | cmn-000 | 3GPP |
| 國語 | cmn-001 | 3GPP |
| English | eng-000 | 3GPP |
| suomi | fin-000 | 3GPP |
| français | fra-000 | 3GPP |
| עברית | heb-000 | 3GPP |
| italiano | ita-000 | 3GPP |
| 日本語 | jpn-000 | 3GPP |
| Nederlands | nld-000 | 3GPP |
| português | por-000 | 3GPP |
| español | spa-000 | 3GPP |
| Türkçe | tur-000 | 3GPP |
| Bahasa Malaysia | zsm-000 | 3GPP |
| filename extensions | art-335 | 3gpp |
| English | eng-000 | 3GPP2 |
| filename extensions | art-335 | 3gpp2 |
| TechTarget file types | art-336 | 3GPP2-3GPP2-Multimedia-File |
| English | eng-000 | 3GPP2 multimedia audio / video Header |
| English | eng-000 | 3GPP2 Multimedia File |
| TechTarget file types | art-336 | 3GPP-3GPP-Media-File |
| TechTarget file types | art-336 | 3GPP-3GPP-Multimedia-File |
| TechTarget file types | art-336 | 3GPP-3GPP-Third-generation-partnership-project-movie |
| English | eng-000 | 3GPP Audio File |
| català | cat-000 | 3GPP Long Term Evolution |
| English | eng-000 | 3GPP Long Term Evolution |
| español | spa-000 | 3GPP Long Term Evolution |
| English | eng-000 | 3GPP Media File |
| English | eng-000 | 3GPP Multimedia File |
| English | eng-000 | 3GPP Third generation partnership project movie |
| filename extensions | art-335 | 3gr |
| TechTarget file types | art-336 | 3GR-386-Grabber-File-Win |
| el maghribïya | ary-001 | 3grba |
| TechTarget file types | art-336 | 3GR-Device-Driver |
| Zenaga | zen-000 | 3grih |
| TechTarget file types | art-336 | 3GR-VGA-Graphics-driver-configuration-files |
| English | eng-000 | 3GR VGA Graphics driver / configuration files under Windows |
| TechTarget file types | art-336 | 3GR-Windows-Screen-Grabber-for-MS-DOS-applications |
| Miani | pla-000 | 3gu |
| English | eng-000 | 3’-guanylic acid |
| Mbuʼ | muc-000 | 3gul3 |
| Katab Kagoro | kcg-000 | 3gwa |
| Tainae | ago-001 | 3gy3 |
| jǿg³ jmei¹² | cpa-000 | 3*h |
| русский | rus-000 | 3H |
| filename extensions | art-335 | 3h |
| Bahnar | bdq-000 | 3h |
| Ulterior Mixe C | sai-047 | 3h |
| tzunipʌꞌnotowe—Poquiʌꞌmʌ | zoc-000 | 3h |
| Barasana | bsn-001 | 3h3 |
| Chamacoco | ceg-000 | 3h3 |
| Parukoto | hix-000 | 3h3 |
| Kaxarirí | ktx-000 | 3h3 |
| Tenharim | pah-000 | 3h3 |
| Mehináku | mmh-000 | 3h3* |
| Amondava | adw-000 | 3h3a |
| Uru-Eu-Wau-Wau | urz-000 | 3h3a |
| saṃskṛtam | san-001 | 3h3m |
| Desano | des-000 | 3h3t3 |
| Barasano | bao-000 | 3*ha* |
| Tafaghist | taq-000 | 3had7 |
| TechTarget file types | art-336 | 3H-Advent-3B2-Tag-Header |
| TechTarget file types | art-336 | 3H-Al-Arabi-Publisher-tag-header |
| Kuy | kdt-000 | 3ham |
| Sayula Popoluca | pos-000 | 3hcat |
| tajtsaꞌway ꞌyode | zor-000 | 3hci |
| Francisco León | zos-000 | 3hci |
| Hñohño | otq-001 | 3he |
| Walani Silte | wle-000 | 3he |
| English | eng-000 | 3He crystallization cryostat |
| Wayana | way-000 | 3hema |
| English | eng-000 | 3her she |
| euskara | eus-000 | 3Hh |
| emoꞌu xâne | ter-000 | 3hi |
| galego | glg-000 | 3-hidroxi-3-metilglutaril-coenzima A redutase |
| English | eng-000 | 3 him he |
| English | eng-000 | 3him he |
| euskara | eus-000 | 3. hiruhilekoa |
| English | eng-000 | 3-hitter |
| English | eng-000 | 3HO |
| Nederlands | nld-000 | 3HO |
| Balangaw | blw-000 | 3ho |
| português | por-000 | 3 horas |
| tajtsaꞌway ꞌyode | zor-000 | 3ht |
| Papiamentu | pap-000 | 3 Huan |
| English | eng-000 | & 3 huge person or animal |
| Manang | nmm-000 | 3huŋ=ri |
| polski | pol-000 | 3-hydroksyflawon |
| Deutsch | deu-000 | 3-Hydroxy-2-butanon |
| English | eng-000 | 3-hydroxy-2-butanone |
| English | eng-000 | 3-hydroxy-2-methyl-4-pyrone |
| English | eng-000 | 3-hydroxy-4-methoxybenzaldehyde |
| English | eng-000 | 3 hydroxyanthranilic acid |
| English | eng-000 | 3-Hydroxybutanone |
| français | fra-000 | 3-hydroxybutanone |
| English | eng-000 | 3-hydroxycamphor |
| English | eng-000 | 3-hydroxyf-lavone |
| English | eng-000 | 3-hydroxyflavone |
| English | eng-000 | 3-hydroxymenthane |
| English | eng-000 | 3-hydroxy-N-methylmorphinan hydrobromide |
| English | eng-000 | 3-hydroxytyramine |
| Qırımtatar tili | crh-000 | 3-i |
| Mapudungun | arn-000 | 3i |
| Meidob | mei-000 | 3i |
| Luocheng Mulao | mlm-002 | 3i |
| Ndao | nfa-000 | 3i |
| Puinabe | pui-001 | 3i |
| Dang | thl-000 | 3i |
| Gizra—Waidoro | tof-000 | 3i |
| Gizrra—Kupere | tof-001 | 3i |
| Hinonoʼeitiit | arp-000 | 3i'- |
| Abua | abn-000 | 3ial |
| TechTarget file types | art-336 | 3-IBM-Voice-Type-Language-Script-Data-File |
| Hinonoʼeitiit | arp-000 | 3i'ci3- |
| Universal Networking Language | art-253 | 3(icl>digit) |
| Volapük | vol-000 | 3id yelafoldil |
| Chaha | sgw-002 | 3iE |
| Hinonoʼeitiit | arp-000 | 3í'e'éí- |
| Hinonoʼeitiit | arp-000 | 3í'e'eííte- |
| Hinonoʼeitiit | arp-000 | 3i'eibi- |
| Hinonoʼeitiit | arp-000 | 3i'eibí- |
| Hinonoʼeitiit | arp-000 | 3i'eyoo |
| Hinonoʼeitiit | arp-000 | 3í'eyoo |
| chiShona | sna-000 | 3iff |
| English | eng-000 | 3i group |
| Hinonoʼeitiit | arp-000 | 3iihoho |
| Hinonoʼeitiit | arp-000 | 3ííhoho |
| Hinonoʼeitiit | arp-000 | 3i'iinoo'ó- |
| Hinonoʼeitiit | arp-000 | 3í'iinoo'ó- |
| Hinonoʼeitiit | arp-000 | 3i'iinoxuu3oo'óó- |
| Hinonoʼeitiit | arp-000 | 3iik |
| Hinonoʼeitiit | arp-000 | 3iikó'ei |
| Hinonoʼeitiit | arp-000 | 3iikon |
| Hinonoʼeitiit | arp-000 | 3iikoné' |
| Hinonoʼeitiit | arp-000 | 3iikóne'éís- |
| Hinonoʼeitiit | arp-000 | 3iikonibino' |
| Hinonoʼeitiit | arp-000 | 3ííkoníbino' |
| Hinonoʼeitiit | arp-000 | 3iikonwoniihiiho' |
| Hinonoʼeitiit | arp-000 | 3ííkonwonííhiiho' |
| Hinonoʼeitiit | arp-000 | 3ii'óóbe- |
| Hinonoʼeitiit | arp-000 | 3i'isóó- |
| Hinonoʼeitiit | arp-000 | 3iito'ooko'oox |
| Hinonoʼeitiit | arp-000 | 3iiw |
| Hinonoʼeitiit | arp-000 | 3iixobéé- |
| Hinonoʼeitiit | arp-000 | 3iixo'óé |
| Hinonoʼeitiit | arp-000 | 3ííxo'óé |
| Hinonoʼeitiit | arp-000 | 3iiyoonee- |
| Hinonoʼeitiit | arp-000 | 3iiyouhu- |
| Guambiano | gum-000 | 3ik |
| filename extensions | art-335 | 3in |
| el maghribïya | ary-001 | 3în |
| TechTarget file types | art-336 | 3IN-Configuration-MSN-Setup-Information |
| English | eng-000 | 3-in-dandione |
| magyar | hun-000 | 3-indolecetsav |
| Deutsch | deu-000 | 3-INDOLESSIGSÄURE |
| français | fra-000 | 3. inexécution |
| Guamaca | mbp-000 | 3ingina |
| Met Remenkēmi | cop-002 | 3ini |
| TechTarget file types | art-336 | 3IN-MSN-Setup-Information |
| Yuri | yuj-001 | 3inri |
| italiano | ita-000 | 3 IO |
| Englisce sprǣc | ang-000 | 3 Iohannes |
| Hinonoʼeitiit | arp-000 | 3i'óku- |
| Hinonoʼeitiit | arp-000 | 3í'okúut- |
| Hinonoʼeitiit | arp-000 | 3i'okuutoo |
| Hinonoʼeitiit | arp-000 | 3i'okuutóo |
| Hinonoʼeitiit | arp-000 | 3io'kuutoo |
| Hinonoʼeitiit | arp-000 | 3í'okuutóo |
| Hinonoʼeitiit | arp-000 | 3i'óó' |
| Hinonoʼeitiit | arp-000 | 3i'ookuu- |
| Hinonoʼeitiit | arp-000 | 3i'ookúú- |
| Hinonoʼeitiit | arp-000 | 3i'ookuu3óó |
| Hinonoʼeitiit | arp-000 | 3í'ookuu3óó |
| Hinonoʼeitiit | arp-000 | 3í'ookúúhu- |
| Hinonoʼeitiit | arp-000 | 3i'ookuutii- |
| Hinonoʼeitiit | arp-000 | 3i'ooni'oo- |
| Hinonoʼeitiit | arp-000 | 3i'otósoo' |
| Hinonoʼeitiit | arp-000 | 3i'otox |
| Hinonoʼeitiit | arp-000 | 3í'otox |
| Hinonoʼeitiit | arp-000 | 3ío’tox |
| Hinonoʼeitiit | arp-000 | 3í'otox'ówoo- |
| Hinonoʼeitiit | arp-000 | 3ío'tox'ówoonoo |
| Hinonoʼeitiit | arp-000 | 3i'otóxuuni' |
| English | eng-000 | 3-Iron |
| slovenčina | slk-000 | 3-iron |
| português | por-000 | 3-Iron/Bin-jip |
| Tampuan | tpu-000 | %3is |
| English | eng-000 | 3-isopropylacrylic acid |
| Hinonoʼeitiit | arp-000 | 3iwohoeenó |
| Hinonoʼeitiit | arp-000 | 3iwoo |
| Hinonoʼeitiit | arp-000 | 3íwoo |
| amarəñña | amh-001 | 3j |
| Zenaga | zen-000 | 3j3m |
| Siwa | siz-000 | 3j3n |
| Xamtanga | xan-000 | 3j3r |
| Xamtanga | xan-000 | 3j3ra |
| Mesmes | mys-000 | 3ja |
| suomi | fin-000 | 3-jäseninen |
| English | eng-000 | 3-jaw self-centering chuck |
| Masqan | mvz-000 | 3jE |
| Ahanta | aha-000 | 3jele |
| eesti | ekk-000 | 3 Jh |
| Kwato | kop-000 | 3ji |
| Senhayi | sjs-000 | %3ji8 |
| Uyghurche | uig-001 | 3 jisim mesilisi |
| bahasa Indonesia | ind-000 | 3JMK |
| bahasa Indonesia | ind-000 | 3JMK.AGT |
| bahasa Indonesia | ind-000 | 3JMK.EKS.GEN |
| bahasa Indonesia | ind-000 | 3JMK.PAT |
| bahasa Indonesia | ind-000 | 3JMK.PSF |
| bahasa Indonesia | ind-000 | 3JMK.RFLK |
| bahasa Indonesia | ind-000 | 3JMK.RFLX |
| bahasa Indonesia | ind-000 | 3JMK.RFLX.PSF |
| français | fra-000 | 3 Jn |
| dansk | dan-000 | 3 Joh |
| Deutsch | deu-000 | 3 Joh |
| bokmål | nob-000 | 3 Joh |
| suomi | fin-000 | 3 Joh. |
| svenska | swe-000 | 3 Joh. |
| Limburgs | lim-000 | 3Johannes |
| Manang | nmm-000 | 3ju |
| tojikī | tgk-001 | 3 Juhanno |
| français | fra-000 | 3 juin |
| Manang | nmm-000 | 3jul |
| slovenščina | slv-000 | 3. junij |
| Mal | mlf-000 | %3k |
| Prūsiskan | prg-000 | 3. k. |
| Nihongo | jpn-001 | 3K |
| filename extensions | art-335 | 3k |
| Elung | bss-001 | 3k |
| Pay | ped-000 | 3k |
| Mupun | sur-001 | 3k |
| Proto-Western-Tibetan | tbq-004 | 3k |
| Galo | tbq-005 | 3k |
| Tai2 Lə6 | tdd-001 | 3k |
| Thai Trang | twh-000 | 3k |
| Tày | tyz-000 | 3k |
| Thô | tyz-001 | 3k |
| Uria | ury-000 | 3k |
| Wutun | wuh-000 | 3k |
| Tokharian A | xto-000 | 3k |
| Lung-chow | zzj-001 | 3k |
| Tai Lungming | zzj-002 | 3k |
| Bisu | bzi-000 | 3k3 |
| Kosraean | kos-000 | 3k3 |
| Panamint | par-002 | 3k3 |
| Mekém | skf-000 | 3k3 |
| Kui | kvd-000 | 3k35 |
| Apurinã | apu-000 | 3k35ipe |
| Bragat | aof-000 | 3k3n |
| Kui | kvd-000 | 3k3n |
| Tirió | tri-000 | 3k3n3 |
| Apurinã | apu-000 | 3k3*pe |
| Tümpisa | par-000 | 3k3pitci |
| Komso | kxc-000 | 3k3r |
| Torricelli | tei-000 | 3k3r |
| Tamajeq Tayart—Air | thz-000 | 3k3r |
| Aweti | awe-000 | 3k3t3 |
| Capishana | kxo-000 | 3k3*y |
| Shinasha | bwo-000 | 3ka |
| naáyarite | crn-000 | 3ka |
| saṃskṛtam | san-001 | 3ka |
| TechTarget file types | art-336 | 3K-Advent-3B2-Keyboard-Definition |
| TechTarget file types | art-336 | 3K-Advent-3B2-keyboard-definition-file |
| TechTarget file types | art-336 | 3K-Al-Arabi-Publisher-keyboard-definition |
| Bambui | baw-000 | 3kam |
| Ron Mangar | cla-003 | 3kaN |
| Chru | cje-000 | 3kan |
| Uyghurche | uig-001 | 3 kapalet sistémisi |
| Bahnar | bdq-000 | %3kar |
| Bahnar | bdq-000 | 3kar |
| Apurinã | apu-000 | 3kara |
| Türkçe | tur-000 | 3 kart Seç |
| Wutun | wuh-000 | 3kdo |
| Sisiqa | baa-004 | 3ke |
| Chontal | chf-000 | 3k"e7 |
| Uyghurche | uig-001 | 3 ke ehmiyet bérish terbiyisi |
| koʼrevajù chùʼo | coe-000 | 3*kep3 |
| suomi | fin-000 | 3. kesäkuuta |
| Uyghurche | uig-001 | 3 kesip |
| Uyghurche | uig-001 | 3-kesip |
| Uyghurche | uig-001 | 3-kétokoumaraan |
| Prūsiskan | prg-000 | 3. ketw. |
| Prūsiskan | prg-000 | 3. ketwirts |
| tzunipʌꞌnotowe—Poquiʌꞌmʌ | zoc-000 | 3kgek |
| Central Azad Kashmir Gujari | gju-002 | 3kh~ |
| Chitral Gujari | gju-003 | 3kh~ |
| Dir Gujari | gju-004 | 3kh~ |
| Gilgit Gujari | gju-005 | 3kh~ |
| Kaghan Gujari | gju-006 | 3kh~ |
| Kunar Gujari | gju-007 | 3kh~ |
| Mendhar Gujari | gju-008 | 3kh~ |
| Northern Azad Kashmir Gujari | gju-009 | 3kh~ |
| Settled Swat Gujari | gju-010 | 3kh~ |
| Southern Azad Kashmir Gujari | gju-011 | 3kh~ |
| Southern Hazara Gujari | gju-012 | 3kh~ |
| Transhumant Swat Gujari | gju-013 | 3kh~ |
| Proto-Southern-Hindko | hnd-001 | 3kh~ |
| Kohat City Hindko | hnd-002 | 3kh~ |
| Pakha Golam Hindko | hnd-003 | 3kh~ |
| Talagang Hindko | hnd-005 | 3kh~ |
| Wad Pagga Hindko | hnd-006 | 3kh~ |
| Proto-Northern-Hindko | hno-001 | 3kh~ |
| Mansehra Hindko | hno-003 | 3kh~ |
| Jicaque | jic-000 | 3kh~ |
| Seraiki | skr-000 | 3kh~ |