| UNESCO Atlas of the World’s Languages in Danger ID | art-329 |
| 796 | |
| ISO 639-3 | art-001 | cea |
| Glottolog Languoid Names | art-326 | Lower Chehalis |
| Glottocode | art-327 | lowe1427 |
| Glottolog Primary Key | art-328 | 24575 |
| English | eng-000 | Lower Chehalis |
| français | fra-000 | bas-chehalis |
| español | spa-000 | chehalí bajo |