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Luxembourg Phone Number Format

Country code +352 — Complete guide to Luxembourg phone number formats, mobile and landline structures, and area codes.

How Luxembourg Phone Numbers Are Written

Phone numbers in Luxembourg have 9 digits for mobiles and 4 to 11 for landlines after the country code +352. There is no trunk prefix to remove: the number is written the same way at home (62X XXX XXX) and after the country code (+352 62X XXX XXX).

Country code+352
Digits after +3529 digits for mobiles and 4 to 11 for landlines
Trunk prefix (domestic calls) None
Mobile numbers start with 62 or 65–69
Exit code (to call abroad from Luxembourg)00
Dial from the US011 352 62X XXX XXX

Mobile vs. Landline Numbers

Mobile numbers

9 digits after +352, starting with 62 or 65–69.

62X XXX XXX at home
+352 62X XXX XXX international
Landline numbers

4 to 11 digits after +352.

27 XX XX XX at home
+352 27 XX XX XX international

Luxembourg Number Types

Type Starts with Written at home International From the US
Mobile 62 or 65–69 62X XXX XXX +352 62X XXX XXX 011 352 62X XXX XXX
Landline — 27 XX XX XX +352 27 XX XX XX 011 352 27 XX XX XX
Toll-free 80 800 XX XXX +352 800 XX XXX 011 352 800 XX XXX
Premium rate 90 900 XX XXX +352 900 XX XXX 011 352 900 XX XXX
Shared cost — 801 XX XXX +352 801 XX XXX 011 352 801 XX XXX
VoIP — 20 XX XX XX +352 20 XX XX XX 011 352 20 XX XX XX

X stands for any digit. Source: libphonenumber metadata (phonenumbers 9.0.40), Google's open numbering data.

Checking a number from Luxembourg? The phone number checker tells you if it is valid, mobile or landline, and gives its international format.

Dialing Tips

  • Keep every digit: Luxembourg numbers have no trunk prefix, so dial them after +352 exactly as they are written locally.
  • Use the + notation: From a US mobile phone, use +352 instead of 011 352.
  • Verify the number length: Numbers in Luxembourg have 9 digits for mobiles and 4 to 11 for landlines after +352. If your call does not connect, check that no digit is missing or doubled.
  • Save contacts in international format: Always store phone numbers with the full +352 prefix so they work from any country.

Luxembourg Phone Number FAQ

How many digits does a phone number in Luxembourg have?

Phone numbers in Luxembourg have 9 digits for mobiles and 4 to 11 for landlines after the country code +352.

What do mobile numbers in Luxembourg start with?

Mobile numbers in Luxembourg start with 62 or 65–69, for example 62X XXX XXX.

How do I write a phone number from Luxembourg in international format?

Start with +352, then the national number. For example, a mobile number written 62X XXX XXX at home becomes +352 62X XXX XXX. From a US landline, dial 011 352 62X XXX XXX.

What is the toll-free prefix in Luxembourg?

Toll-free numbers in Luxembourg start with 80, for example 800 XX XXX. Many toll-free numbers can't be reached from abroad.

How do I call the US from Luxembourg?

Dial the exit code 00, then 1 and the 10-digit US number: 00 1 XXX XXX XXXX. From a mobile phone you can use + instead of 00: +1 XXX XXX XXXX.

Luxembourg Quick Info
Country Code +352
ISO Code LU
Capital Luxembourg
International Prefix 011 (from US)
Full Country Profile
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