| UNESCO Atlas of the World’s Languages in Danger ID | art-329 |
| 476 | |
| ISO 639-3 | art-001 | itl |
| Glottolog Languoid Names | art-326 | Itelmen |
| Glottocode | art-327 | itel1242 |
| Glottolog Primary Key | art-328 | 28851 |
| English | eng-000 | Itelmen |
| français | fra-000 | itelmen |
| español | spa-000 | itelmeno |