| Postal Code Place Name | Châteaubourg |
| Region | Bretagne |
| Department | Ille-et-Vilaine |
| Arrondissement | Fougères-Vitré |
| Canton | Châteaugiron |
| Current Time: | CET |
| Time Zone: | Central European Time |
| IANA Time Zone: | Europe/Paris |
| Dialing Code: | 02 |
| 35113 Domagné |
| 35340 Liffré |
| 35450 Val-d'Izé |
| 35500 Vitré |
| 35530 Noyal-sur-Vilaine |
| 35680 Bais |