LONDON (AP) - An untold number of U.K. residents may have unwittingly broadcast their numbers to sites across the Web while browsing the Internet with their cellphones during the past two weeks.

Research carried out by Virgin Media O2 has found that millions of people are likely to have seen fake customer service numbers using search engines and AI tools. It has also dealt with customers who ...

O2 says it has now fixed a data breach which saw mobile internet users' phone numbers given out to websites. The mobile giant admits a technical glitch meant customers' numbers were sent to website ...

O2 has today launched a new app that allows its customers to take their phone number onto multiple devices to make calls and texts - and we've tried it out. Using similar Voice over IP technology as ...

O2 is to launch a fixed/mobile convergence service for small businesses, the company has said. The service, called Fixed Number Anywhere, will give users a landline-style number that channels calls ...