Call free and get help, advice or tech support in English
Customer Care Center
Our operators are ready to help 24 hours a day. They will answer your questions about payments, billing, and claims. Additionally, they can provide you with information about all O2 products and recommend services that best suit your needs.
| 800 02 02 02 | Care center, information about new products and services, orders | Free |
| *11 | From an O2 mobile phone | Free |
| +420 720 720 720 | From abroad | Priced by tariff |
Technical Support Line
| 800 184 084 | Technical support for mobile, fixed-line, internet, and O2 TV services | Free | |
We'll help with anything you need on all our Carelines between 7 a.m. and 11 p.m. Or you can call 24 hours a day if there's an emergency, e.g., your mobile phone is stolen and you need to block the SIM, a service isn't working, you need to activate Roaming, or you can't log into My O2.
Other contacts
| 840 114 114 | Main contact number for Telefónica company (this line does not provide answers to customer queries) |
| 1188 | Directory assistance for calling within the Czech Republic |
| +420 606 00 1188 | Directory assistance for calls from abroad |
