France
91790 post code
Post code details
1 placeCode
Place
Boissy-sous-Saint-Yon
Region
Île-de-France
County
Essonne
Coordinates
48.5538, 2.2121
Accuracy
5 / 6
Country
France
Location
OpenStreetMap ↗








48.5538, 2.2121© OpenStreetMap
Places under this code
1| Place | Region | County | Coordinates |
|---|---|---|---|
| Boissy-sous-Saint-Yon | Île-de-France | Essonne | 48.5538, 2.2121 |
Same code in other countries
4FAQ
Which city is 91790 in?
Boissy-sous-Saint-Yon, Île-de-France, France.
What are the coordinates of 91790?
48.5538, 2.2121
Is 91790 used in other countries?
Yes, 4 other countries.
The data is unofficial and has known truncation; verify with the recipient and carrier for critical shipments. See data source & license → · Updated 2026-11-09. Attribution in