| UNESCO Atlas of the World’s Languages in Danger ID | art-329 |
| 1777 | |
| ISO 639-3 | art-001 | acr |
| Glottolog Languoid Names | art-326 | Achi |
| Glottocode | art-327 | achi1256 |
| Glottolog Primary Key | art-328 | 44760 |
| English | eng-000 | Achi’ |
| français | fra-000 | achi’ |
| español | spa-000 | achí |