Postal code 78770
This postal code spans 7 municipalities in the Yvelines (78) département:
The postal-code area for 78770 covers approximately 38 km². Postal code 78770 has 2 447 addresses listed in the Base Adresse Nationale. You can also download the BAN addresses for this postal code as CSV.
Frequently asked questions
What are the municipalities of postal code 78770?
Postal code 78770 covers 7 municipalities: THOIRY, AUTEUIL, VILLIERS LE MAHIEU, MARCQ, AUTOUILLET, GOUPILLIERES, ANDELU.