O2 Contact Number – 0800 977 7337

Call the O2 customer services free on 0800 977 7337 for any concerns or questions you might have about their services or if there have been any problems while you’ve been using any of their products or services.


O2 is a telecommunications services provider in the UK that is owned by Spanish multinational Telefónica, and was formed in 1985 as Cellnet. Their headquarters is located in Slough, England and they have around 25.3 million subscribers, which makes them the second-largest mobile telecommunications provider in the UK. They employ over 21,000 staff and have around 484 stores nationwide.

O2 Customer Services – 0800 977 7337

You might need to contact the O2 customer services team for a number of reasons as an O2 customer, as they can be your quickest and easiest way of receiving the help and information that you need. If you find that you have a general enquiry or problem that can be solved by the customer services team, then you can call them on 0800 977 7337 where they will be happy to address any issues that you might have and help you however they can.

Pay Monthly Team – 0344 809 0202

If you need to discuss your account with a member of the team, and you have a pay monthly O2 account then you can call 0344 809 0202 to be put in contact with the relevant members of staff who will know how to handle your requests. Here they will help you with any problems you’ve had with your account or will help you to manage your account with O2.

Pay as you Go Team – 0344 809 0222

Likewise, if you have a pay as you go account with O2 then you can call their customer services team on 0344 809 0222 where you will find team members that can help you with any issues that you have and answers any queries that you put forward.

Business Team – 0800 977 7337

If you have a business account with O2 and you have decided that you would like to discuss the account with their customer services team, like perhaps finding out more about the way it is run, then you can call them on 0800 977 7337 where they can help you however you need.

Broadband –  0800 977 7337

If you would like to discuss your broadband service with O2, then you should call 0800 977 7337 where the members of the team at the end of the line can answer your questions and assist you with anything that you need.

Join O2 – 0844 202 0202

If you would like to join O2 and are interested in finding out more about the accounts they offer and the process that you should follow to set up an O2 account, then you can call 0844 202 0202 and the customer service team member that you are put in touch with will make sure they provide you with all of the information that you’re interested in.

Travel Insurance – 0844 463 0202

O2 no longer sell travel insurance to new customers, but if you have an ongoing travel insurance policy with the company and would like to discuss it with a member of their team that can help you with any queries or claims you may have surrounding the policy.

O2 Home – 0344 499 0202

If you have an O2 home account that allows you to control features of your home from your phone, and you would like some help with using the app, or would like to know more about the system before becoming involved with it then you should call 0344 499 0202 where O2’s customer service members can help you understand everything you need to about the way the service works.

O2 Contact Numbers

Department Contact Number Opening Hours
Customer Services 0800 977 7337 Mon-Fri 8am-8pm, Sat & Sun 9am-5pm
Pay Monthly Team 0344 809 0202 Mon-Fri 8am-9pm, Sat 8am-8pm, Sun 8am-6pm
Pay as you go Team 0344 809 0222 Mon-Fri 8am-9pm, Sat 8am-8pm, Sun 8am-6pm
Business Team 0800 977 7337 Mon-Fri 8am-8pm, Sat & Sun 9am-5pm
Broadband 0800 977 7337 Mon-Fri 8am-8pm, Sat & Sun 9am-5pm
Join O2 0844 202 0202 Mon-Fri 8am-9pm, Sat & Sun 9am-5pm
Travel Insurance 0844 463 0202 Mon-Fri 9am-5pm
Home 0344 499 0202 Mon-Sat 8am-7pm

Other ways to contact O2

If you don’t want to talk to the O2 team members over the phone, then that is perfectly fine. O2 like to make sure that all of their customers are satisfied with the service they provide, so they make sure that you have ample opportunities to contact them in whatever way makes you feel most comfortable. If you would like to talk to them through one of their social media accounts, then you can find them on their Facebook or Twitter ready to answer your questions and help you however they can. Also, if you feel like you would like to talk to people who don’t directly work for O2 about the problem you’re facing, O2 have created their Community which offers customers the chance to discuss issues with the service together.

If you would rather reach O2 by letter then you can send your correspondence to this address:

O2 Correspondence Team
PO BOX 694
SO23 5AP

where a team member will respond to you as quickly as possible.