O2 Contact Number

O2 Contact Number

O2 Contact Number – Telefónica UK Limited (trading as O2 – stylized as O2) is a telecommunications, internet and financial services provider in the United Kingdom owned by Telefónica, forming part of its Telefónica Europe division. It is the second-largest mobile telecommunications provider in the United Kingdom (after EE) and is headquartered in Slough.

O2 Contact Number

Wide range of telecommunication facilities are available to the residents of the United Kingdom and they like the rest of the world is experiencing a technological revolution. The telecom is advancing as such, developing more of the facilitating services to their customers. O2 is one of the best companies that are launching new packages and offers for their customers in UK, they really want to make their customers feel special and happy.


To further help the customers, we have sourced an O2 Contact Number on: 0843 515 8455. You can enjoy and benefit by having a direct chat with one of the customer service representatives of a given department.

Further charges may apply to customers calling from other UK landline providers, mobiles or internationally.

Get Connected

As the Call gets connected, an automated voice will help the O2 customers get to the specific department that will deal with their problem and help them solve any issues. If the customer does not know what exactly the issue is, the representative will talk to the customer and help the person to get out from the confusion of what exactly the problem is.

When the customer dials the call on the O2 Contact Number, the responsible representatives of the specific department are available to answer the queries regarding the SIM services, updating, upgrading, tariff details, packages, billing, buying and selling the old gadgets, new offers, deals and other service. The customer service representatives of the O2 Company

O2 Wallet

For queries regarding O2 Wallet and O2 Money Account card, the customers would be able to get assistance through this O2 Contact Number

  • From any UK phone: Dial 0843 515 8455 – Charges (5p per minute from BT lines + others vary)

*The customer can always submit complain for the lost or stolen phone.

Opening Hours

To get benefitted from the O2 customer service, customers can make a call on O2 Contact Number on the following days and time:

  • Mon-Fri: 08:00 – 21:00
  • Sat: 08:00-20:00
  • Sun: 08:00 – 18:00

This website including our O2 Contact Number is not affiliated with O2 or any of their services and products. Please be aware that the Customer Service Number advertised throughout this site is a service which will allow you to speak to a O2 employee. Other phone numbers may be accessible elsewhere. All trademarks remain property of their respective owners.

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