| Glottolog Primary Key | art-328 |
| 27947 | |
| ISO 639-3 | art-001 | lep |
| Glottolog Languoid Names | art-326 | Lepcha |
| Glottocode | art-327 | lepc1244 |
| UNESCO Atlas of the World’s Languages in Danger ID | art-329 | 440 |
| English | eng-000 | Lepcha |
| français | fra-000 | lepcha |
| español | spa-000 | lepcha |