| Aurich - Emden (025) |
| Unterems (026) |
| Friesland - Wilhelmshaven (027) |
| Oldenburg - Ammerland (028) |
| Delmenhorst - Wesermarsch - Oldenburg-Land (029) |
| Cuxhaven - Osterholz (030) |
| Stade - Cuxhaven (031) |
| Mittelems (032) |
| Cloppenburg - Vechta (033) |
| Diepholz - Nienburg I (034) |
| Rotenburg - Verden (035) |
| Soltau-Fallingbostel - Winsen L. (036) |
| Lüchow-Dannenberg - Lüneburg (037) |
| Osnabrück-Land (038) |
| Stadt Osnabrück (039) |
| Nienburg II - Schaumburg (040) |
| Stadt Hannover I (041) |
| Stadt Hannover II (042) |
| Hannover-Land I (043) |
| Celle - Uelzen (044) |
| Gifhorn - Peine (045) |
| Hameln-Pyrmont - Holzminden (046) |
| Hannover-Land II (047) |
| Hildesheim (048) |
| Salzgitter - Wolfenbüttel (049) |
| Braunschweig (050) |
| Helmstedt - Wolfsburg (051) |
| Goslar - Northeim - Osterode (052) |
| Göttingen (053) |
