Support and service
We are prepared to help you and answer your questions 24 hours a day. Based on what best suits your needs, you can contact us in any of the following ways.
Online support
You can contact us at any time through the Write to us website form. Simply fill it in and your request will be sent to our specialists immediately. We will contact you as soon as possible via email or at the phone number you submit through the form.
Because we want to save you time, we present the most frequently asked questions (FAQ) and our answers in this FAQ section.
Customer Care Center
It doesn't matter if you're calling from a mobile phone or a fixed line, from home or abroad - our operators are here for you all day, every day.
| 800 02 02 02 | O2 Line - information about new products and services, orders |
| *11 | Customer Care Center from an O2 mobile phone |
| 800 123 456 | Customer Care Center from a fixed line |
| +420 720 720 720 | Customer Care Center from abroad |
Brand stores
Find the location of the O2 Shop or authorized dealer nearest you within seconds. We are always happy to serve you.






