| English | eng-000 |
| Tlachichilco Tepehua | |
| ISO 639-3 | art-001 | tpt |
| ISO 639-3 Inverted Names | art-291 | Tepehua, Tlachichilco |
| Glottolog Languoid Names | art-326 | Tlachichilco Tepehua |
| Glottocode | art-327 | tlac1235 |
| Glottolog Primary Key | art-328 | 34103 |
| UNESCO Atlas of the World’s Languages in Danger ID | art-329 | 923 |
| français | fra-000 | tepehua de Tlachichilco |
| español | spa-000 | tepehua de Tlachichilco |
| español | spa-000 | tepehuano de Tlachichilco |