Do you have a question ? BASE will answer you


A question? Searching for a feedback of willing to help others?

Visit our BASE Community to see whether someone already posted the info you are looking for. Ask a question or share tips and tricks with us.

Our members on the forum are there for you around the clock and the BASE moderators gladly help you every weekday between 9h and 18h. 


Find your answer 24/7 in the frequently asked questions.

Are you a BASE customer?

Log in via the customer zone and ask your question directly under My messages. This way you keep an overview of the messages you have sent and received in your personal customer zone. 

Not yet a BASE customer?

Ask your question

By phone

Customer support for mobile telephony 24h/24 - 7d/7

  • 1999
    toll-free with your BASE mobile phone in Belgium
  • 0486 19 1999
    with any phone in Belgium
  • +32 486 19 1999
    while abroad

Customer support for Internet and
fixed line

  • 02 60 80 600
    for all your administrative and technical questions
  • You are abroad and have a question about roaming? Call the toll-free number +32 486 19 1980

Via social media

On weekdays between 9h and 18h we answer you within 30 minutes in general.

BASE on Facebook
BASE on Twitter

In points of sale

Looking for a point of sale in your neighbourhood ?

Make use of our convenient shop locator and find your nearest BASE shop or dealer.

By mail

Telenet Group bvba/sprl
Rue Neerveldstraat 105
1200 Brussels