| Postal Code Place Name | Saint-Gervais-les-Trois-Clochers |
| Region | Nouvelle-Aquitaine |
| Department | Vienne |
| Arrondissement | Châtellerault |
| Canton | Châtellerault-2 |
| Current Time: | CEST |
| Time Zone: | Central European Summer Time |
| IANA Time Zone: | Europe/Paris |
| Dialing Code: | 05 |