Free Luxembourg phone number validator

Check any Luxembourg number (+352): valid or not, mobile or landline, original carrier, and the correct international format.

How Luxembourg numbers are written

Country code +352. Locally: 628 123 456. Internationally: +352 628 123 456.

Validate Luxembourg numbers in bulk or by API

Clean a CSV of up to 50,000 numbers, or call the API from your app or AI agent with "default_country": "LU". 250 free lookups.

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