Postal Code 42800
Chagnon +9 · Loire, Auvergne-Rhône-Alpes
42800 is the postal code of Chagnon, Châteauneuf, Dargoire and 7 other places in Loire, Auvergne-Rhône-Alpes, France.
- Postal Code
- 42800
- Department
- Loire
- Region
- Auvergne-Rhône-Alpes
- Country
- France
10 places with postal code 42800
| Place | Sub-district | Department | Location |
|---|---|---|---|
| Chagnon | Saint-Étienne | Loire | 45.535, 4.554 |
| Châteauneuf | Saint-Étienne | Loire | 45.525, 4.640 |
| Dargoire | Saint-Étienne | Loire | 45.562, 4.674 |
| Genilac | Saint-Étienne | Loire | 45.532, 4.583 |
| Rive-de-Gier | Saint-Étienne | Loire | 45.528, 4.616 |
| Saint-Joseph | Saint-Étienne | Loire | 45.558, 4.621 |
| Saint-Martin-la-Plaine | Saint-Étienne | Loire | 45.546, 4.598 |
| Saint-Romain-en-Jarez | Saint-Étienne | Loire | 45.559, 4.535 |
| Sainte-Croix-en-Jarez | Saint-Étienne | Loire | 45.480, 4.644 |
| Tartaras | Saint-Étienne | Loire | 45.550, 4.667 |
Near Lyon
The nearest major city is Lyon, about 30 km away.
Nearby postal codes
Frequently asked questions
Which places use postal code 42800?
Chagnon, Châteauneuf, Dargoire, Genilac, Rive-de-Gier, Saint-Joseph, Saint-Martin-la-Plaine, Saint-Romain-en-Jarez, Sainte-Croix-en-Jarez, Tartaras.
Which department and region is 42800 in?
Loire, Auvergne-Rhône-Alpes, France.
What is the nearest major city to 42800?
Lyon, about 30 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.