| Glottocode | art-327 |
| cowl1242 | |
| ISO 639-3 | art-001 | cow |
| Glottolog Languoid Names | art-326 | Cowlitz |
| Glottolog Primary Key | art-328 | 24577 |
| UNESCO Atlas of the World’s Languages in Danger ID | art-329 | 798 |
| English | eng-000 | Cowlitz |
| français | fra-000 | cowlitz |
| español | spa-000 | cowlitz |