| ISO 639-3 | art-001 |
| twd | |
| ISO 639-3 Reference Names | art-289 | Twents |
| ISO 639-3 Print Names | art-290 | Twents |
| ISO 639-3 Inverted Names | art-291 | Twents |
| Ethnologue Primary Language Names | art-323 | Twents |
| Glottolog Languoid Names | art-326 | Twents |
| Glottocode | art-327 | twen1241 |
| Glottolog Primary Key | art-328 | 37059 |
| UNESCO Atlas of the World’s Languages in Danger ID | art-329 | 383 |
| Ethnologue Language Names | art-330 | Twente |
| Ethnologue Language Names | art-330 | Twents |
| English | eng-000 | Low Saxon |
| English | eng-000 | Twents |
| français | fra-000 | bas-saxon |
| español | spa-000 | bajo sajón |