Robocalls - type of scam
Americans received 50.3 billion automated phone calls in 2022 — an imperceptible decline from the 50.5 billion robocalls received in 2021, according to YouMail, a call-blocking and call-management service provider. The company estimates that 41 percent of those calls were placed by scammers. Illegal robocalls…

They give this number as their pretend UK contact number to persuade nervous IT users that their support is UK based. They are one of a number of IT companies who claim your computer is faulty when they cannot see the computer to know whether or not this is the case. They then charge you for un-necessary support to protect the PC