Commune · Yvelines · Île-de-France · France
Saint-Germain-en-Laye — Postal code
The postal code of Saint-Germain-en-Laye is 78100.
- Commune
- Saint-Germain-en-Laye
- Department
- Yvelines
- Region
- Île-de-France
- Country
- France
- Postal code
- 78100Single source Value from one source, not cross-checked.
- Coordinates
- 48.8964, 2.0904
View on OpenStreetMap - Time zone
- Europe/Paris (UTC+1 / UTC+2 DST)
About this page
French postal codes have five digits: the first two identify the département. One postal code usually serves several communes, so a code page lists every commune it covers.
GeoNames. Data generated on 2026-08-21. Methodology · Report an error on this page