| Postal Code Place Name | Saint-Magne-de-Castillon |
| Region | Nouvelle-Aquitaine |
| Department | Gironde |
| Arrondissement | Libourne |
| Canton | Les Coteaux de Dordogne |
| Current Time: | CEST |
| Time Zone: | Central European Summer Time |
| IANA Time Zone: | Europe/Paris |
| Dialing Code: | 05 |