| español | spa-000 |
| mattole | |
| ISO 639-3 | art-001 | mvb |
| Glottolog Languoid Names | art-326 | Mattole |
| Glottocode | art-327 | matt1238 |
| Glottolog Primary Key | art-328 | 44812 |
| UNESCO Atlas of the World’s Languages in Danger ID | art-329 | 781 |
| English | eng-000 | Mattole |
| français | fra-000 | mattole |