| Postal Code Place Name | La Plaine-sur-Mer |
| Region | Pays de la Loire |
| Department | Loire-Atlantique |
| Arrondissement | Saint-Nazaire |
| Canton | Pornic |
| Current Time: | CEST |
| Time Zone: | Central European Summer Time |
| IANA Time Zone: | Europe/Paris |
| Dialing Code: | 02 |
| 44210 Pornic |
| 44730 Saint-Michel-Chef-Chef |