Postal Code 78640
Neauphle-le-Château +3 · Yvelines, Île-de-France
78640 is the postal code of Neauphle-le-Château, Neauphle-le-Vieux, Saint-Germain-de-la-Grange and 1 other place in Yvelines, Île-de-France, France.
- Postal Code
- 78640
- Department
- Yvelines
- Region
- Île-de-France
- Country
- France
4 places with postal code 78640
| Place | Sub-district | Department | Location |
|---|---|---|---|
| Neauphle-le-Château | Rambouillet | Yvelines | 48.814, 1.906 |
| Neauphle-le-Vieux | Rambouillet | Yvelines | 48.816, 1.862 |
| Saint-Germain-de-la-Grange | Rambouillet | Yvelines | 48.834, 1.899 |
| Villiers-Saint-Fréderic | Rambouillet | Yvelines | 48.817, 1.883 |
Near Paris
The nearest major city is Paris, about 34 km away.
Nearby postal codes
Frequently asked questions
Which places use postal code 78640?
Neauphle-le-Château, Neauphle-le-Vieux, Saint-Germain-de-la-Grange, Villiers-Saint-Fréderic.
Which department and region is 78640 in?
Yvelines, Île-de-France, France.
What is the nearest major city to 78640?
Paris, about 34 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.