| Postal Code | Place Name | Region | Department | Arrondissement | Canton |
|---|---|---|---|---|---|
| 62162 | Vieille-Église | Hauts-de-France | Pas-de-Calais | Saint-Omer | Marck |
| 62215 | Oye-Plage | Hauts-de-France | Pas-de-Calais | Saint-Omer | Marck |
| 62370 | Audruicq | Hauts-de-France | Pas-de-Calais | Saint-Omer | Marck |
| 62730 | Marck | Hauts-de-France | Pas-de-Calais | Calais | Marck |