| Postal Code Place Name | Châtelaillon-Plage |
| Region | Nouvelle-Aquitaine |
| Department | Charente-Maritime |
| Arrondissement | Rochefort |
| Canton | Châtelaillon-Plage |
| Current Time: | CEST |
| Time Zone: | Central European Summer Time |
| IANA Time Zone: | Europe/Paris |
| Dialing Code: | 05 |