Postal Code 78700
Conflans-Sainte-Honorine · Yvelines, Île-de-France
78700 is the postal code of Conflans-Sainte-Honorine in Yvelines, Île-de-France, France.
- Postal Code
- 78700
- Department
- Yvelines
- Region
- Île-de-France
- Country
- France
Place with postal code 78700
| Place | Sub-district | Department | Location |
|---|---|---|---|
| Conflans-Sainte-Honorine | Saint-Germain-en-Laye | Yvelines | 49.002, 2.097 |
Near Paris
The nearest major city is Paris, about 25 km away.
Nearby postal codes
Frequently asked questions
Which places use postal code 78700?
Conflans-Sainte-Honorine.
Which department and region is 78700 in?
Yvelines, Île-de-France, France.
What is the nearest major city to 78700?
Paris, about 25 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.