I had to use good old ctrl+alt+del to get rid of it, and the URL wouldn’t open again when I tried, but it was this 2.6k long monster!
The number is in the URL itself (with some strange unicode font)
+1-844-628-9080
844-628-9080 Mark Thursday 10-26-23 4:37PM EST
615-808-7260 Call Back
844 DIPVTEL
815 Twilo
Spent 20+ minutes with a dude who had no idea what anything outside Microsoft or Mac was. He thought linux was a microsoft product 
I also had to explain to him 5 times what the Brave browser was… He also tried telling me my IP address, but gave a random string of numbers and dots that didn’t match an IP format… To funny.