Postal code 78850
This postal code maps to one municipality in the Yvelines (78) département:
The postal-code area for 78850 covers approximately 11 km². Postal code 78850 has 372 addresses listed in the Base Adresse Nationale. You can also download the BAN addresses for this postal code as CSV.
Frequently asked questions
What municipality does postal code 78850 correspond to?
Postal code 78850 corresponds to the municipality THIVERVAL GRIGNON.
What département is postal code 78850 in?
Postal code 78850 is in the Yvelines département (78).