| Postal Code | Place Name | Region | Department | Arrondissement | Canton |
|---|---|---|---|---|---|
| 02430 | Gauchy | Hauts-de-France | Aisne | Saint-Quentin | Saint-Quentin-3 |
| 02680 | Dallon | Hauts-de-France | Aisne | Saint-Quentin | Saint-Quentin-3 |
| 02720 | Homblières | Hauts-de-France | Aisne | Saint-Quentin | Saint-Quentin-3 |