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Contact O2: Hotline & tips

Before contacting O2 - you can easily take care of many service matters relating to cellular communications, DSL, prepaid and My Handy yourself:

  • Just log into My O2 a to z. B. view invoices, manage options, change personal data and much more.
  • Do you need help setting up the router or do you want to fix a problem with your DSL access? You will find the most important tips at a glance in our help for routers.

This is how you get in touch with O2 on

Now just choose how you want to contact us:

O2 Overview of hotlines

Choose the right O here2 Service number for you.

How busy is the O2 Hotline up-to-date?

Tips for personal support via the hotline

If something cannot be solved online immediately, we are happy to be there for you personally. This is how it works:

  • Telephone number: As O2 If you are a customer, you call the service number above; if you are a new customer, call the order hotline
  • Prices: You can find them directly on the respective hotline number
  • Times: In addition to the opening times, we also show you the current occupancy. The quickest way to reach us is in times of low occupancy.
Visit our shop via video chat

In the video store, our on-site employees offer you the full range of services: whether you need advice or want to take a closer look at a smartphone.

We are Mon-Fri There for you from 9 a.m. to 8 p.m. and Saturday from 10 a.m. to 6 p.m.