Postal code 78450
This postal code spans 2 municipalities in the Yvelines (78) département:
The postal-code area for 78450 covers approximately 16 km². Postal code 78450 has 4 230 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 78450?
Postal code 78450 covers 2 municipalities: VILLEPREUX, CHAVENAY.