Luxembourg Postal Codes
Luxembourg uses postal codes in the format L-#### (# = digit, @ = letter).
4,330 postal codes are recorded for Luxembourg in the open data sources below.
Example postal codes
47502998
Postal codes by place
The 60 places in Luxembourg with the most postal codes recorded, listed alphabetically. Larger towns link to their own page.
How an address is written in Luxembourg
This is the order Luxembourg's postal service expects. Square brackets mark what you replace.
[Recipient name]
[Street address]
L-[Postal code (4750)] [City]
LUXEMBOURG
A postal code is required in a complete Luxembourg address.
Look up a specific address
For the code covering one particular street or building, Luxembourg's postal service publishes an official finder: www.post.lu/en/particuliers/colis-courrier/rechercher-un-code-postal. It is authoritative and kept current, which third-party copies often are not.
Country reference
| ISO 3166-1 alpha-2 | LU |
|---|---|
| ISO 3166-1 alpha-3 | LUX |
| Capital | Luxembourg |
| Telephone code | +352 |
| Currency | Euro (EUR) |
| Internet TLD | .lu |
Sources and licensing
Postal code data from GeoNames, used under the Creative Commons Attribution 4.0 International licence. Address formats and validation rules derive from Google's international address metadata, cross-checked against Universal Postal Union addressing standards. Last verified August 2026. Confirm time-critical addresses with the destination country's postal operator.
Postal codes by town and city
540 places in Luxembourg have a recorded postal code. The 76 largest have their own page; the rest are listed alphabetically.
Largest towns and cities
Luxembourg · Esch-sur-Alzette · Dudelange · Belvaux · Schifflange · Walferdange · Rodange · Bettembourg · Diekirch · Pétange · Soleuvre · Ettelbruck · Strassen · Howald · Bertrange · Differdange · Grevenmacher · Mamer · Wiltz · Mersch · Echternach · Remich · Kayl · Niederkorn · Bridel · Rumelange · Bascharage · Mondercange · Mondorf-les-Bains · Junglinster · Oberkorn · Bissen · Sandweiler · Leudelange · Wasserbillig · Hesperange · Bereldange · Steinfort · Itzig · Lamadelaine