Postal code 91230
This postal code maps to one municipality in the Essonne (91) département:
The postal-code area for 91230 covers approximately 11 km². Postal code 91230 has 6 316 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 91230 correspond to?
Postal code 91230 corresponds to the municipality MONTGERON.
What département is postal code 91230 in?
Postal code 91230 is in the Essonne département (91).