These were found by searching Google for technical support for major brand companies.
Of course these are the scammers’ numbers and not the legit phone number.
+1-833-899-5888
+1-844-440-5440
+1-800-251-0724
None are working
They will tomorrow morning 
I forgot to include that. These numbers, and most of the Youtube numbers get activated during the next day, business hours, Eastern Time.