Home, Internet and Telephony Phone Companies

0844 202 0202

Top up 0845 606 2277
Pay Monthly 0844 809 0202
Pay & Go 0844 809 0222
Travel insurance 0844 463 0202
Enquiries 0844 202 0202

O2, part of Telefonica Limited are a mobile network operator, offering home and mobile phone packages, internet and financial services and is the 2nd largest mobile network provider in the UK with their head office based in Slough, Berkshire.
O2 also sponsored the Millennium Dome, now known as the O2 Area, offering their mobile customers priority tickets and exclusive areas within the venue.
The O2 Area also hosted medal rounds in basketball and the gymnastics events in the London 2012 Olympic Games.

Important info:

The service offered by customer-service.center is independent of the brands listed in this directory. Customer-service.center bears no association to any of the brands listed

Service users must be over the age of 18, and the bill payer of the phone in which the call is being placed.

Customer-service.center phone directory is updated and expanded on a daily basis. We specialize in providing phone numbers that are difficult to obtain, allowing you a quick and easy way to acquire non-premium numbers, thus saving you money and time on your call to O2 .

Service quality



05 / 5





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Rating of O2 ´s customer service

Are you satisfied with O2 ´s customer service?

  • Nobody
    From over 7 years

    It's so important to have a good mobile network provider who can offer reliable services to its customers. Having had problems and barely any signal from my previous provider, I'm so relieved that with O2 I have great services and assistance.

We offer a high quality directory service. When calling the phone number you will hear a short recording with the O2 customer service phone number.

We will give you the customer service phone number from O2 in a timely and easy manner.

Once you have called, we will immediately provide you with the O2 customer service phone number.

Once you have contacted O2 through our service, you can leave your feedback on the quality of the support received by the brand assistance service, so that other users and companies can check the general level of satisfaction given by O2 customer service.