Postal code 78640
This postal code spans 4 municipalities in the Yvelines (78) département:
The postal-code area for 78640 covers approximately 20 km². Postal code 78640 has 3 327 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 78640?
Postal code 78640 covers 4 municipalities: VILLIERS ST FREDERIC, NEAUPHLE LE CHATEAU, ST GERMAIN DE LA GRANGE, NEAUPHLE LE VIEUX.