This guide provides a comprehensive overview of Luxembourg address formatting, postal code structures, and localization practices. It includes information on postal services, languages, time zones, and address validation standards across Luxembourg.
Address Format
Structure for standardized Luxembourg postal addresses:
- Organization
- Building SubBuilding
- PremisesType PremisesNumber, Thoroughfare SubPremises SubPremisesLevel
- PostBoxType PostBoxNumber
- PostalCode Locality
- Country
Address Verification Data
Luxembourg postal addresses verification data
| Available | Yes |
| Does the country use postal codes? | Yes |
| PO Box Indicator | Postkësch, BP, Postfach |
| ISO-2-Code | LU |
| ISO-3-Code | LUX |
| Phonecode | 352 |
Address Example
Example of standardized Luxembourg postal addresses

Country Info
Full Country Name: Grand Duchy of Luxembourg
| Country Alpha-2 code | LU |
|---|---|
| Country Alpha-3 code | LUX |
| Numeric Code | 442 |
Time Zone
Luxembourg Time Zone Details
| Time Zone | UTC | DST |
|---|---|---|
| Central European Time | UTC+1 | UTC+2 |
Official Language
Czech is the official language. Slovak is widely understood due to historical ties.
Fun Facts
- The total area of Luxembourg is about 2,586 sq km / 998 sq miles, making it one of the smallest countries in Europe. (CIA World Factbook)
- Luxembourg is landlocked, bordered by Belgium, France, and Germany. (CIA World Factbook)
- The terrain is mostly gently rolling hills and forests, with the Ardennes region in the north and more fertile lowlands in the south. (CIA World Factbook)
Postal Authority
POST Luxembourg (formerly Entreprise des Postes et Télécommunications) is the national postal and telecommunications service provider, offering mail, parcel, and financial services throughout the country.
Reference: https://www.post.lu
Name Conventions
Population Names
Luxembourgish names reflect Germanic, French, and Romance influences:
[opt: titles] [given name] [middle name (opt)] [FAMILY NAME]
Examples:
- Marie Dupont-Laurent
- Frau Anna Schneider
- Mr. Marc Hansen
- Monsieur et Madame Meyer-Dupont
- Dr. Luc Meyer and Prof. Marie Dupont
Names may be Germanic (ending in -er, -mann) or French in origin. Due to multilingualism, names may appear in different language forms. Titles include Här (Mr.), Madam/Fra (Mrs.), Dr., Prof. The country's diverse population also includes many foreign naming conventions.
Organizational Names
Luxembourg business entities include:
- S.à r.l. (Société à responsabilité limitée) – Limited liability company
- S.A. (Société Anonyme) – Public limited company
- S.C.A. (Société en Commandite par Actions) – Partnership limited by shares
Luxembourg is a major financial center, and businesses are registered with the Luxembourg Business Registers (RCS).