| Postal Code | Place Name | Region | Department | Arrondissement | Canton |
|---|---|---|---|---|---|
| 56290 | Port-Louis | Bretagne | Morbihan | Lorient | Hennebont |
| 56440 | Languidic | Bretagne | Morbihan | Lorient | Hennebont |
| 56570 | Locmiquélic | Bretagne | Morbihan | Lorient | Hennebont |
| 56670 | Riantec | Bretagne | Morbihan | Lorient | Hennebont |
| 56700 | Hennebont | Bretagne | Morbihan | Lorient | Hennebont |