O2 Contact Telephone Number 0844 800 3125

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Calls cost 7p per minute plus your phone companies access charge. We are not affiliated with this or any company listed on this website. Callers must be over the age of 18.

To speak to a member of the O2 customer service team, simply call 0844 800 3125 today. This phone number will put you through to O2’s automated menu system, where you can choose the options most relevant to you. Please listen to the call carefully in order to be connected to the right department.

O2 contact number 0844 800 3125

O2 are one of the UK’s leading mobile network providers, with a history that stretches back to the earliest days of UK mobile telecommunication. The company was formed as something of a side project of John Carrington, the CEO of British Telecom’s emerging Mobile Division, which had recently connected the first cellular service in the UK, joining up London Heathrow Airport to the BT Tower.

Cellnet would launch by 1985 with Carrington at the helm as a 60:40 venture between BT Group and Securicor. After 14 long years of cooperation, Cellnet became a wholly owned BT subsidiary thanks to a £3.15 billion buyout deal completed in 1999 – a time when Cellnet boasted 5 million customers. It was soon rebranded as BT Cellnet, before being rolled into mmO2 plc, a new BT Wireless holding company operating under the O2 branding.

BT Cellnet officially relaunched as O2 in 2001, along with other former BT subsidiaries; Esat Digifone in Ireland, Viag Interkom in Germany and Telfort Mobiel in the Netherlands. It did so with a gigantic advertising campaign, which racked up costs of over £130 million and leaned heavily on the groundwork done by Orange some years prior.

The business was sold to Telefonica, a Spanish communications company, for £18 billion in 2005 and in 2015 the company was the subject of a takeover bid from Three owner Hutchison Whampoa for an estimated £10.5 billion, however, this bid failed regulatory approval.

O2 Contact Numbers

HELPLINE NUMBER
O2 Customer Services 0844 800 3125
General Enquiries 0844 561 6990
O2 Pay & Go 0844 381 5170
O2 Accounts and Billing 0844 381 5117

As one of the UK’s leading networks, O2 has millions of customers. These customers enjoy a wide range of services, including pay-as-you-go handsets, pay monthly phones and tablet computers, 3G and 4G LTE as well as Wi-Fi. If you are an O2 customer and you require support or you have an enquiry related to your account, then you can call O2 using the contact number 0844 800 3125. This O2 phone number will put you through to a customer service assistant quickly. Simply follow the steps provided by your phone.

If you would rather write to O2 or contact them on social media, the following information will help:

O2 contact information

Website:http://www.o2.co.uk/

Address:

O2
260 Bath Road,
Slough,
Berkshire,
SL1 4DX.

Social media:

Twitter, Facebook.

O2 customer service phone number 0844 800 3125

O2 operates a vast network of customer service departments; the majority of their customer service is UK-based however some is outsourced abroad. Regardless of who you are connected to, O2 is committed to providing the best customer service possible. Call 0844 800 3125 today to speak to an O2 customer service advisor.

Making the most of your communication with O2

If you are calling O2 on the telephone, you should have your customer number or agreement to hand, as well as the mobile phone number related to your account. It is also a good idea to write down any answers to secret questions, to speed up the identification process. If you are writing to O2, we strongly recommend you send any communication by recorded delivery or any delivery method that requires a signature, so that you can confirm receipt. If you are contacting O2 on social media, then you should also consider emailing O2. Ask O2 to send you an email address privately – this way you can be sure that your enquiry will be dealt with by the right person.

How else can I contact O2?

Getting in touch with O2 is always easiest by using the contact telephone number listed on this page. However, if you can’t get to a phone or you’re in work, you can use the Live Chat feature on O2’s website. Live Chat will put you in touch with a member of O2 customer service, who will be able to help you with a number of issues.

Unfortunately, if you require serious customer service about a lost phone, change to contract or cancellation, you’ll find that the Live Chat team can’t help, making the phone a better all-round option.

Do O2 have a good customer service record?

In 2016, O2 topped Ofcom’s customer satisfaction survey for telecommunications companies for the seventh year running. It’s a spectacular achievement, and one held up by the numbers which found that 80% of customers are satisfied with the way O2 handle their customer service.

Of course, there’s always room for improvement and in previous years O2 have recorded higher scores than that, registering 82% in 2014. Commenting on the results, an O2 spokesman said: “We work hard to deliver the best possible service to our customers and are pleased they are rewarding us with the highest levels of satisfaction and loyalty. There is always more to do and we will continue to be relentless in our pursuit to deliver great service and unique experiences that set us apart from our competitors”.

I would like to make a complaint about O2. How do I do that?

The first step to making a complaint is to call O2 and express your concerns. O2 has an escalation process so the first person you speak to may not be the best person. It’s best to ask to speak to a manager, or request a call back from a manager, to have your complaint heard. It is also advisable to write to O2 to make a complaint and using the tip above, to send your letter via a delivery method that requires a signature. If you are dissatisfied by the way your complaint has been handled, then you can ask the Ombudsman to investigate. Here’s their address:

Ombudsman Services: Communications,
PO Box 730,
Warrington,
WA4 6WU.

HELPLINE NUMBER
O2 Customer Services 0844 800 3125
General Enquiries 0844 561 6990
O2 Pay & Go 0844 381 5170
O2 Accounts and Billing 0844 381 5117

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