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Need information on any of our services?

By phone or mail, don’t hesitate to contact our Customer Service for customized advice.


By phone:

You can contact our telephone advisers:

  • from a fixed line on: 800 777 77 (toll-free)
  • from your mobile phone on: 777 (toll-free)
  • from abroad: +352 691 700 777 (price of an international call to Luxembourg)

For greater efficiency, shorter waiting times and higher response quality, our Customer Service Department is divided up into various different sections, whose staff have different skills.

1) Billing Service - 27 777 615:

  • From Monday to Friday: 8am – 10pm
  • Saturday, Sunday and Public holidays: 8am – 8pm


  • Informs you about your landline, mobile, TV, and Internet bills
  • Provides you information on the payment methods
  • Offers you a rate check to optimize your Tango bill


2) Customer Service for Internet, Landline and TV - 27 777 617:

  • Monday to Friday: 9am – 10pm
  • Saturday : 9.30am – 6.30pm
  • Sunday and public holidays: 10am – 6.30pm


  • Helps you to fix connection problems
  • Informs you about our Internet and fixed offers
  • Helps you with administrative matters
  • Informs you about the Tango Generation TV offer, the available channel packages, and movies in VOD
  • Informs you about the installation procedures and rates
  • Helps you with technical issues


3) The Technical Service - 27 777 616:

  • Monday to Friday: 9am – 6pm


  • Informs you about the progress of a repair
  • Helps you configure your smartphone
  • Provides you information on using mobile Internet


4) Customer Service Mobile - 27 777 618:

  • Offers you technical solutions (network, calls, SMS, MMS, etc.)
  • Helps you to choose your offers and options
  • Helps you with the configuration of the Tango services (voicemail, creation of your Customer Corner, etc.)
  • Helps you with administrative matters and contract modifications
  • Delivers your PIN code and/or PUK code



By mail:

You can contact us at the following address:

PO Box 32
L-8005 Bertrange Luxembourg