Contacting O2

This site offers advice and call forwarding options, and we are in no way affiliated with any organisation mentioned on this website. Calls to 084 numbers cost up to 7p per minute plus your network access charge.

(Calls cost 7ppm + network charges) 0843 515 8129

O2 Call Connection Phone Numbers (Calls cost 7ppm + network charges) 0843 515 8129

Our O2 Call Connection Phone Number will direct your call to the main Customer Service Team who will endeavour to assist you with your enquiry.

The O2 Call Connection Phone Number to use is (Calls cost 7ppm + network charges) 0843 515 8129 – this will take you directly through to O2 support.

O2 Support Opening Hours

Monday to Friday from 8.00am until  8.00pm
Saturday from 9.00am until 5.00pm
Sunday from 9.00am until 5.00pm

(Calls cost 7ppm + network charges) 0843 515 8129 will direct your call to the specific department you need to speak to, for instance whether you require O2 customer services, want to report a lost phone or even need to cancel your contract.


O2 is now more commonly known as Telefonica Europe and is a telephone and broadband company originating in England. O2 was purchased by Telefonica in 2005 for the purpose of reaching out to more customers.

Contacting O2 about upgrading my phone:

With the fast moving pace of mobile technology, customers have an increased want to upgrade their handsets as soon as the latest model hits the shelves. None more popular recently than the iPhone 6 which has become one of the most requested handsets on the market. Within your current O2 contract you will have a period during which you can upgrade your phone, this is normally towards the end of your contract – possibly a month before the contract expires. There is an option with O2 to upgrade early which is called O2 Refresh. Taking this option however will include you having to pay the remainder of your contract in advance before starting a new one with a new handset. Many different upgrading options are available and in order to find out what is for you or if you are currently eligible for upgrade then call the customer service team on (Calls cost 7ppm + network charges) 0843 515 8129.

Calling internationally on O2:

With many relatives abroad and an increased need to contact those in foreign countries, it is understandable that you will want total clarity on the charges associated with these calls. O2 have a number of options for their customers who need to make international calls either whilst on holiday or to relatives and businesses abroad from the UK. O2 have access to 400 networks in over 200 countries across the world where your phone will be able to operate. A number of separate call and data charges will apply if you use these functions and it is advised that you turn your data off upon arrival making use of any free WiFi in the area in order to avoid bill shock on your return home. O2 have full instructions on this on their international website here or you can speak to a customer service representative in order to find out more about calling from or to abroad using this O2 Call Connection Phone Number (Calls cost 7ppm + network charges) 0843 515 8129.

Essential O2 contact numbers:

Calling O2 from an O2 telephone

You are able to call O2 on on the following teleCall Connection Phone Number if you are using an O2 phone. The number is 8002 – please note that a call to this number is free from anywhere in the world.

Contacting O2 for business sales

The O2 Call Connection Phone Number for business sales is 0800 0890250. This number is used if you’d like to set up a new business account with O2 or if you would like to be given sales related information such as prices and coverage.

O2 General Enquiries

If you’ve purchased a phone or other product that you are unhappy with then please call the returns department on the O2 Call Connection Phone Number (Calls cost 7ppm + network charges) 0843 515 8129 and an agent will be there to get that all arranged as quickly as possible for you.

In some instances you have no need to use the O2 Call Connection Phone Number as you are able to service your account as well as upgrade, cancel and change details all through the website directly. It’s simply a case of logging in with the information originally provided when your account was set up and doing what you need to.

Calling O2 regarding ‘Pay Monthly’ contracts

The O2 Call Connection Phone Number for Pay Monthly contracts from a landline is (Calls cost 7ppm + network charges) 0843 515 8129 but please note this is 5p per minute. If calling from an O2 mobile then use 202. This number is free.

Have questions about ‘pay-as-you-go’ from O2?

Pay as you go O2 Call Connection Phone Number is (Calls cost 7ppm + network charges) 0843 515 8129 from a landline and 4445 from the mobile. Remember that the (Calls cost 7ppm + network charges) 0843 number is 5p per minute.

O2 Postal Address:

Telefónica UK Limited,
Correspondence Department,
PO Box 202,
Houghton Regis,
LU6 9AG.

O2 Call Connection Phone Number

(Calls cost 7ppm + network charges) 0843 515 8129