Postal Code 78670
Médan +1 · Yvelines, Île-de-France
78670 is the postal code of Médan, Villennes-sur-Seine in Yvelines, Île-de-France, France.
- Postal Code
- 78670
- Department
- Yvelines
- Region
- Île-de-France
- Country
- France
2 places with postal code 78670
| Place | Sub-district | Department | Location |
|---|---|---|---|
| Médan | Saint-Germain-en-Laye | Yvelines | 48.955, 1.995 |
| Villennes-sur-Seine | Saint-Germain-en-Laye | Yvelines | 48.941, 1.991 |
Near Paris
The nearest major city is Paris, about 28 km away.
Nearby postal codes
Frequently asked questions
Which places use postal code 78670?
Médan, Villennes-sur-Seine.
Which department and region is 78670 in?
Yvelines, Île-de-France, France.
What is the nearest major city to 78670?
Paris, about 28 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.