| UNESCO Atlas of the World’s Languages in Danger ID | art-329 |
| 1832 | |
| ISO 639-3 | art-001 | usp |
| Glottolog Languoid Names | art-326 | Uspanteco |
| Glottocode | art-327 | uspa1245 |
| Glottolog Primary Key | art-328 | 44756 |
| English | eng-000 | Uspantek |
| français | fra-000 | uspantèque |
| español | spa-000 | uspanteco |