About postal code 91870
The postal code 91870 routes mail to Boissy-le-Sec in the Île-de-France region of France. Use it as the postal segment of any address in this area, and confirm unusual addresses with the local postal operator.
France · Postal code
91870 - Boissy-le-Sec
Postal code 91870 is Boissy-le-Sec in Île-de-France, France.
| Postal code | 91870 |
| Place | Boissy-le-Sec |
| Region | Île-de-France |
| District | Essonne |
| Country | France (FR) |
| Coordinates | 48.4786, 2.09 (map) |