Postal code 78121
This postal code maps to one municipality in the Yvelines (78) département:
The postal-code area for 78121 covers approximately 15 km². Postal code 78121 has 760 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 78121 correspond to?
Postal code 78121 corresponds to the municipality CRESPIERES.
What département is postal code 78121 in?
Postal code 78121 is in the Yvelines département (78).