| H | Hannover |
| HA | Hagen |
| HAL | Halle |
| HAM | Hamm |
| HAS | Haßberge |
| HB | Hansestadt Bremen |
| HBN | Hildburghausen |
| HBS | Halberstadt |
| HD | Heidelberg |
| HD | Rhein-Neckar-Kreis |
| HDH | Heidenheim-Brenz |
| HE | helmstedt |
| HEF | Hersfeld-Rotenburg |
| HEI | Dithmarschen |
| HER | Herne |
| HF | Herford |
| HB | Hochtaunus-Kreis |
| HGW | Greifswald |
| HH | Hansestadt Hamburg |
| HI | Hildesheim |
| HL | Hansestadt Lübeck |
| HM | Hameln-Pyrmont |
| HN | Heilbronn |
| HO | Hof |
| HOL | Holzminden |
| HOM | Saar-Pfalz-Kreis |
| HP | Bergstraße |
| HR | Schwalm-Eder-Kreis |
| HRO | Hansestadt Rostock |
| HS | Heinsberg |
| HSK | Hochsauerlandkreis |
| HST | Hansestadt Stralsund |
| HVL | Havelland |
| HWI | Hansestadt Wismar |
| HX | Höxter |
| HY | Hoyerswerda |