| cast_geo | Cast geo granularity from API |
| geo_save | Save geo codes |
| get_change | Get geo code changes with API |
| get_code | Get the codes of geographical levels |
| get_correspond | Get geo corresponds |
| GrunnkretsBefore2002 | Grunnkrets Change Before 2002 |
| track_change | Track all changes for codes from API |
| track_merge | Get geo code that are merged after code change |
| track_split | Get geo code that are split after code change |