Telefonica hotline: How to contact customer service

If you have a problem with a Telefonica mobile operator, you can contact customer service via a hotline. We'll show you the options.

Telefonica: Contact O2 customer service via hotline

Telefonica has several mobile operators. By far the largest provider is O2.

• You can reach the customer hotline on 089 78 79 79 400. This is a normal landline number.
• The hotline is available Monday to Friday from 7 a.m. to 8 p.m., Saturday from 10 a.m. to 6 p.m.
• You can also call 55222 directly from the O2 network. The call is free for O2 customers.
• You can also call the mobile phone number 0176 888 55 222 from all other networks.

Telefonica hotline: reach Blau.de, Base, Fonic, Netzclub, Ortel and ay yildiz

In addition to O2, Telefonica also has other mobile phone brands on offer. You can find the relevant hotline numbers here.

• Blau.de: Call 0177 177 11 59 as a contract customer and 0177 177 11 60 as prepaid customer. During the week you can reach the hotline from 8 a.m. to 8 p.m., on Saturdays and Sundays from 10 a.m. to 4 p.m.
• Base: Base customers call 1140. The hotline is open daily from 7 a.m. to 11 p.m. From all other networks, use the mobile phone number 0163 163 1140.
• Fonic: Call 0176 8888 0000. The hotline is available Monday to Friday between 8 a.m. and 8 p.m. and Saturday 10 a.m. to 6 p.m.
• Netzclub: As a Netzclub customer, call 0176 888 93939. The hotline is open Monday to Saturday from 8 a.m. to 8 p.m.
• Ortel Mobile: Call the mobile number 0177 177 1138. You can reach the hotline from Monday to Friday from 8 a.m. to 8 p.m. and on Saturdays and Sundays from 9 a.m. to 6 p.m.
• ay yildiz: You can reach the hotline on 0177 177 11 35. They will help you Monday to Friday from 8 a.m. to 10 p.m., Saturdays from 10 a.m. to 8 p.m. and on Sundays and public holidays from 10 a.m. to 6 p.m.

In the next practical tip, we will show you how to refer friends to O2.