Commune · Yvelines · Île-de-France · France
Houilles — Postal code
The postal code of Houilles is 78800.
- Commune
- Houilles
- Department
- Yvelines
- Region
- Île-de-France
- Country
- France
- Postal code
- 78800Single source Value from one source, not cross-checked.
- Coordinates
- 48.9216, 2.1926
View on OpenStreetMap
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