Frequently asked questions
What is the format of a Luxembourg postal code?
A Luxembourg postcode has four digits, usually written with the L- prefix: L-1111 Luxembourg. Codes are very precise - often one code per street section.
How do I find my postal code?
Type your street and house number into the search box and the exact code appears instantly. You can also browse by locality and street.
Who manages postal codes in Luxembourg?
Postcodes are managed by POST Luxembourg. The address data comes from the official BD-Adresses maintained by the cadastre administration.
How current is the data?
The site is synchronised with the continuously updated official BD-Adresses. The date of the last update is shown at the bottom of every page.
Can one street have several postcodes?
Yes - in Luxembourg it is common: codes are assigned per street section. Always check the exact house number.