Just had this pop up

So I was doing a dumb thing of converting a video I saw using a website and this popup came up:

I don't have a VM at this point so I can't see if I could get a number to mess with these people. So if any of you guys want to give it a shot then please do, just share any numbers you find so I can mess them about a bit!

(Link to SCAM: http://www.microsoft.com-repair-windows.live/tonic2/?campid=c645fc8b-2369-45c4-84c9-3fdc04bee8c5&model=Desktop&os=Windows%207&city=Scammer&zn=14893074&sc=b8ae28af-25bc-4bb9-b175-ba973ee2d8f0&ip=127.0.0.1&ua=Mozilla%2F5.0%20%28Windows%20NT%206.1%3B%20Win64%3B%20x64%3B%20rv%3A64.0%29%20Gecko%2F20100101%20Firefox%2F64.0&browser=Firefox&browserversion=Firefox%2064&lang=en&connection=BROADBAND&isp=INFONET%20Services%20Corporation&carrier=&cep=4PwJX1wHOCQSVosCSGM3W4QK_xaAncQVmFMatf_fYSvkEtE82AqJGGmTYrI-Ok-L0ToH5miQDsHQSBsr6XsRCyFEqTeuWWQ3zMKkNnSsGAs5Q_q9UQte-4K8It3ogUEOMUQ0dr9vgKRtwvn98FJNrBr5h1E37FnDfKWosk1VANsr8IbzY6wsAqQVKhQxgJ6icOw9eoXjBuiivje2HeLtc1xjNvX2o-ivSVOELlMSYnuU9KXbDsMLvNOQ2XHlRrtsgOZIwfUyLabMTKpk_WAK5A&PLACEMENT_ID=14893074&LANDING_ID=1697546&COUNTRY_CODE=GB&CAMPAIGN_ID=171248&clickid=4980d2b6a0c71fd2b1459e5d42f770a2)

Whats the phone number?