Post in Luxembourg: Codes, Addresses and Mailing a Letter

Information about the postal system in Luxembourg, including how to find a postcode...

Postal services in Luxembourg are provided by POST. The website has information on mailing letters and parcels, banking with POST, mail forwarding, mail holding and online services.

Postal Codes in Luxembourg

A Luxembourg postcode is a four digit number, often identified with the prefix L-, for example L-1000. The first digit indicates the canton or district number and the last three digits indicate the street.

Find an address or postal code in Luxembourg

The POST website has a postal code finder making it possible to find a postcode for a town or village, for a company or to find the name of the street that corresponds to a post code.

Luxembourg Addresses

Addresses in Luxembourg are written in a particular way.
  • Line 1: Full name and title of addressee (optionally write the surname in capital letters)
  • Line 2: Company name (if applicable)
  • Line 3: Building name and number (optional)
  • Line 4: Street number followed by a comma, then the street name
  • Line 5: Postal code and town or city name (in capital letters)
For example:
  • Person NAME Building A 12, rue de Bouillon L-1248 LUXEMBOURG
Addresses should not include more than six lines. Further recommendations on writing addresses in Luxembourg are available on the POST website.