Use O2 Contact Telephone Number 0844 453 5083 to upgrade your Phone

O2 Contact Telephone Number
O2 Helpline: 0844 453 5083

About O2

O2 is one of the UK’s largest telecommunication and internet services provider which is owned by Telefonica UK Ltd. O2 has its headquarters based in Slough. O2 was established in 1985 as Cellnet and, for a time was part of the BT Group before O2 was launched in 2002, becoming part of the Spanish firm Telefonica in 2005.

Are you looking for an O2 Contact Telephone Number for any Internet, Broadband or phone Issues?

You can feel free to discuss your phone, Internet and Broadband issues whether you are new or an existing O2 Customer. If you dial the O2 contact number – 0844 453 5083, you can then speak with an O2 Customer executive who can help you to resolve any problems which are listed below:

  • Poor internet connection in terms of speed,
  • Facing issues regarding your router,
  • Unable to view certain websites,
  • Someone else connecting to your broadband internet.

If you are facing any other problems regarding O2 Internet & broadband, then you can discuss your problems using O2 Contact Telephone Number 0844 453 5083. If you are not satisfied with any of the O2 services, you can cancel or upgrade your current broadband package. O2 customer support team is available 24 hours a day to resolve any issues you may be facing.

Watch the Official video on O2 Pay & Go is here:

Get in touch with the O2 Head Office using the below contact information:

O2 Customer Support,
Address: Telefonica UK Limited Correspondence Department, PO Box 202 Houghton Regis, LU6 9AG
24/7 Helpline: 0844 453 5083
O2 Opening hours: Mon-Fri 8am-9pm | Sat-Sun 9am-5pm

Note: Calls are charged at 7p per minutes. Contact Phone Number is UK’s call connection service which allows you to connect O2 Customer Support department. This site is no way associated with O2.