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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 a fixed or mobile line on: +352 691 700 777 from abroad (price of an international call to Luxembourg)

Our advisers are available during the following hours:

  • Monday to Friday: 8 a.m. - 10 p.m.   
  • Saturdays, Sundays and holidays: 8 a.m. - 8 p.m.   


By mail:

You can contact us at the following address:

PO Box 32
L-8005 Bertrange 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) The Billing Service:

  • informs you about your fixed, mobile, TV, and Internet bills
  • provides you information on the payment methods
  • offers you a rate check to optimize your Tango bill


2) The Television Service:

  • 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:

  • informs you about the progress of a repair
  • helps you configure your smartphone
  • provides you information on using mobile Internet


4) The Customer Service:

Customer Service for Internet, Fixed and TV

  • helps you to fix connection problems
  • informs you about our Internet and fixed offers
  • helps you with administrative matters

Customer Service for Mobile (postpaid and prepaid)

  • 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