Postal code 78420
This postal code maps to one municipality in the Yvelines (78) département:
The postal-code area for 78420 covers approximately 5,0 km². Postal code 78420 has 3 311 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 78420 correspond to?
Postal code 78420 corresponds to the municipality CARRIERES SUR SEINE.
What département is postal code 78420 in?
Postal code 78420 is in the Yvelines département (78).