| español | spa-000 |
| koch | |
| ISO 639-3 | art-001 | kdq |
| Glottolog Languoid Names | art-326 | Koch |
| Glottocode | art-327 | koch1250 |
| Glottolog Primary Key | art-328 | 28175 |
| UNESCO Atlas of the World’s Languages in Danger ID | art-329 | 1171 |
| English | eng-000 | Assam |
| English | eng-000 | Bihar |
| English | eng-000 | Koch |
| English | eng-000 | Manipur |
| English | eng-000 | Tripura |
| English | eng-000 | West Bengal |
| français | fra-000 | koch |
| bokmål | nob-000 | Koch |