Call us
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.
Customer Care Center
Operators at our Customer Care Line are ready to help you with questions regarding your payments and billing, as well as your complaints. They also know all O2 products perfectly and can recommend the O2 services that best suit your needs.
| 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 |
Technical support lines
| 800 184 084 | Technical support for Internet ADSL services |
|---|---|
| +420 720 720 111 | Data line – setup and activation of data services and the Internet in your mobile phone or on a computer |
| 13129 | Technical support for fixed-line voice services |
| 800 129 000 | Technical support for leased lines (LLNet) and a rental of a local loop (LLU) |
| 800 129 500 | Technical support for alternative operators providing broadband services and support of low-speed Ethernet services (NRE) |
| 844 111 114 | Technical support for Quick |
| 800 252 525 | Technical support for WiFi Hot Spots |
| 800 150 104 | Technical support for server hosting |
| 800 224 488 | Technical support for EDI services |
| 284 084 222 | Technical support for IOL Fixed, IP VPN services, etc. |
| 800 138 238 | Technical support for E-Account |
Other contacts
| 840 114 114 | Connecting operator* |
|---|---|
| 1188 | Directory assistance services , searching for phone numbers for calls made within the Czech Republic |
| +420 606 00 1188 | Directory assistance services , searching for phone numbers for calls made outside the Czech Republic |
| 133002 | National assistance service (collect calling) |
| 133003 | International assistance service |
| 14113 | Recipes |
| 14116 | Weather forecast |
| 14120 | Health information |
| 14129 | Jokes and horoscopes |
| 14145 | Cinema schedules |
| 14146 | TV guide |
* This contact is not for handling customer queries and claims; rather, it is the main contact number for Telefónica O2.
