Contact channels
Before getting in touch
For O2 UK, begin with the online service page linked below. Check whether the question concerns a mobile line or home internet.
- Save the reference if the provider opens a ticket.
- Note when the service issue began.
- Check your bill for the plan name.
Reader reviews
Loading published reviews…
Write a review of O2 UK
Describe your own experience. Keep ticket numbers, account details and private contact information out of the published text.