Postal Code 78450
Chavenay +1 · Yvelines, Île-de-France
78450 is the postal code of Chavenay, Villepreux in Yvelines, Île-de-France, France.
- Postal Code
- 78450
- Department
- Yvelines
- Region
- Île-de-France
- Country
- France
2 places with postal code 78450
| Place | Sub-district | Department | Location |
|---|---|---|---|
| Chavenay | Saint-Germain-en-Laye | Yvelines | 48.854, 1.992 |
| Villepreux | Versailles | Yvelines | 48.828, 1.998 |
Near Paris
The nearest major city is Paris, about 26 km away.
Nearby postal codes
Frequently asked questions
Which places use postal code 78450?
Chavenay, Villepreux.
Which department and region is 78450 in?
Yvelines, Île-de-France, France.
What is the nearest major city to 78450?
Paris, about 26 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.