| Esperanto | epo-000 |
| Neŭŝatelo | |
| brezhoneg | bre-000 | Neuchâtel |
| català | cat-000 | Neuchâtel |
| Deutsch | deu-000 | Neuenburg NE |
| eesti | ekk-000 | Neuchâtel |
| English | eng-000 | Neuchâtel |
| suomi | fin-000 | Neuchâtel |
| français | fra-000 | Neuchâtel |
| lenga arpitana | frp-000 | Nôchâthél |
| magyar | hun-000 | Neuchâtel |
| íslenska | isl-000 | Neuchatel |
| italiano | ita-000 | Neuchâtel |
| 日本語 | jpn-000 | ヌーシャテル |
| latine | lat-000 | Novicastrum |
| Nederlands | nld-000 | Neuchâtel |
| bokmål | nob-000 | Neuchâtel |
| polski | pol-000 | Neuchâtel |
| português | por-000 | Neuchâtel |
| lingua rumantscha | roh-000 | Neuchatel |
| русский | rus-000 | Нёвшатель |
| lingua siciliana | scn-000 | Neuchâtel |
| español | spa-000 | Neuchâtel |
| svenska | swe-000 | Neuchâtel |
| Türkçe | tur-000 | Neuchatel |
| Volapük | vol-000 | Neuchâtel |