| Postal Code | Place Name | Region | Department | Arrondissement | Canton |
|---|---|---|---|---|---|
| 50300 | Avranches | Normandie | Manche | Avranches | Isigny-le-Buat |
| 50370 | Brécey | Normandie | Manche | Avranches | Isigny-le-Buat |
| 50520 | Juvigny-le-Tertre | Normandie | Manche | Avranches | Isigny-le-Buat |
| 50540 | Isigny-le-Buat | Normandie | Manche | Avranches | Isigny-le-Buat |