Postal Code 91380
Chilly-Mazarin · Essonne, Île-de-France
91380 is the postal code of Chilly-Mazarin in Essonne, Île-de-France, France.
- Postal Code
- 91380
- Department
- Essonne
- Region
- Île-de-France
- Country
- France
Place with postal code 91380
| Place | Sub-district | Department | Location |
|---|---|---|---|
| Chilly-Mazarin | Palaiseau | Essonne | 48.715, 2.316 |
Near Paris
The nearest major city is Paris, about 16 km away.
Nearby postal codes
Frequently asked questions
Which places use postal code 91380?
Chilly-Mazarin.
Which department and region is 91380 in?
Essonne, Île-de-France, France.
What is the nearest major city to 91380?
Paris, about 16 km away.
Source: GeoNames postal codes (CC BY 4.0), geonames.org, retrieved 2026-10-22. Place coordinates are approximate. Check with the national postal service before sending anything valuable.