| Postal Code | Place Name | Region | Department | Arrondissement | Canton |
|---|---|---|---|---|---|
| 78110 | Le Vésinet | Île-de-France | Yvelines | Saint-Germain-en-Laye | Chatou |
| 78160 | Marly-le-Roi | Île-de-France | Yvelines | Saint-Germain-en-Laye | Chatou |
| 78290 | Croissy-sur-Seine | Île-de-France | Yvelines | Saint-Germain-en-Laye | Chatou |
| 78400 | Chatou | Île-de-France | Yvelines | Saint-Germain-en-Laye | Chatou |
| 78560 | Le Port-Marly | Île-de-France | Yvelines | Saint-Germain-en-Laye | Chatou |