How to Reach O2 Customer Service

You can reach O2 customer service by dialing their 800 support number which is 0344-809-0202. Live customer service is available via this number from 8am to 9pm Monday-Friday, from 8am to 8pm Saturday, from 8am to 6pm Sunday..

You can also contact the company headquarters via 0344 809 0202. Please note that this is not a customer support 800 number but a phone number form O2 corporate office.

Below is a phone menu you can use to reach real human from customer service. Please note that some of the live support options may change since the time we called O2 last time:

  • Press 1: If you know the O2 number your calling about.
  • Press 2: If not.

O2 Customer Service on Social Networks

You can also reach O2 customer service via social networks. You can reach O2 Facebook page at or via O2 Twitter page at

O2 Brief History

O2 was founded in 1985. Its first headquarters were located in England.

O2 Customer Service Options

O2 Online Customer Service and Other Useful Links

O2 Phone Numbers

    For customer service dial 0344-809-0202. O2 Customer Support Phones

  • Call O2 800 number via 0344-809-0202
  • Call O2 800 number via 0344 809 0202

O2 Customer Service Working Hours

You can call O2 customer service and reach live customer service agent during following working hours: from 8am to 9pm Monday-Friday, from 8am to 8pm Saturday, from 8am to 6pm Sunday. Call center phone number is 0344-809-0202.

Read more information about O2.



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