| Plattdüütsch | nds-000 |
| Northeim | |
| Deutsch | deu-000 | Northeim |
| English | eng-000 | Northeim |
| Esperanto | epo-000 | Northeim |
| français | fra-000 | Northeim |
| lengua lumbarda | lmo-000 | Northeim |
| Nederlands | nld-000 | Northeim |
| português | por-000 | Northeim |
| română | ron-000 | Northeim |
| русский | rus-000 | Нортайм |
| Volapük | vol-000 | Northeim |