List of Postal Codes in Lanvallay Canton
| Postal Code | Place Name | Region | Department | Arrondissement | Canton |
|---|---|---|---|---|---|
| 22630 | Évran | Bretagne | Côtes-d'Armor | Dinan | Lanvallay |
| 22690 | Pleudihen-sur-Rance | Bretagne | Côtes-d'Armor | Dinan | Lanvallay |
| 22830 | Plouasne | Bretagne | Côtes-d'Armor | Dinan | Lanvallay |