| Postal Code | Place Name | Region | Department | Arrondissement | Canton |
|---|---|---|---|---|---|
| 62500 | Saint-Omer | Hauts-de-France | Pas-de-Calais | Saint-Omer | Saint-Omer |
| 62890 | Tournehem-sur-la-Hem | Hauts-de-France | Pas-de-Calais | Saint-Omer | Saint-Omer |
| 62910 | Éperlecques | Hauts-de-France | Pas-de-Calais | Saint-Omer | Saint-Omer |