| English | eng-000 |
| Sierra Popoluca | |
| ISO 639-3 | art-001 | poi |
| ISO 639-PanLex | art-274 | poi-000 |
| Glottolog Languoid Names | art-326 | Highland Popoluca |
| Glottocode | art-327 | high1276 |
| Glottolog Primary Key | art-328 | 43714 |
| UNESCO Atlas of the World’s Languages in Danger ID | art-329 | 907 |
| français | fra-000 | populaca de la Sierra |
| Nuntajɨyi | poi-000 | Nuntajɨyi |
| español | spa-000 | popoluca de Sierra |