Postal code 91870
This postal code maps to one municipality in the Essonne (91) département:
The postal-code area for 91870 covers approximately 19 km². Postal code 91870 has 312 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 91870 correspond to?
Postal code 91870 corresponds to the municipality BOISSY LE SEC.
What département is postal code 91870 in?
Postal code 91870 is in the Essonne département (91).