| Postal Code Place Name | Ducey |
| Region | Normandie |
| Department | Manche |
| Arrondissement | Avranches |
| Canton | Pontorson |
| Current Time: | CET |
| Time Zone: | Central European Time |
| IANA Time Zone: | Europe/Paris |
| Dialing Code: | 02 |
| 50170 Pontorson |
| 50240 Saint-James |
| 50300 Avranches |
| 50370 Brécey |
| 50540 Isigny-le-Buat |