| Postal Code | Place Name | Region | Department | Arrondissement | Canton |
|---|---|---|---|---|---|
| 59153 | Grand-Fort-Philippe | Hauts-de-France | Nord | Dunkerque | Grande-Synthe |
| 59279 | Loon-Plage | Hauts-de-France | Nord | Dunkerque | Grande-Synthe |
| 59284 | Pitgam | Hauts-de-France | Nord | Dunkerque | Grande-Synthe |
| 59630 | Bourbourg | Hauts-de-France | Nord | Dunkerque | Grande-Synthe |
| 59760 | Grande-Synthe | Hauts-de-France | Nord | Dunkerque | Grande-Synthe |
| 59820 | Gravelines | Hauts-de-France | Nord | Dunkerque | Grande-Synthe |