| Esperanto | epo-000 |
| Welkenraedt | |
| brezhoneg | bre-000 | Welkenraedt |
| Deutsch | deu-000 | Welkenraedt |
| English | eng-000 | Welkenraedt |
| français | fra-000 | Welkenraedt |
| italiano | ita-000 | Welkenraedt |
| Kölsch | ksh-000 | Welkenraat |
| Nederlands | nld-000 | Welkenraedt |
| português | por-000 | Welkenraedt |
| łéngua vèneta | vec-000 | Welkenraedt |
| Volapük | vol-000 | Welkenraedt |
| lingaedje walon | wln-000 | Welkenrote |