Regional statistics: Lake Forest, Illinois has a population of 21014 that is in a county of 216297 units. The city is in a county that is 448 square miles. 224-212 is available through the regional telephone switch # LKFRILLFDS0 in the Lake Forest area.
I just found out from my son that it is a phone app. It's called Prank Dial. It is a phony kids voice that sounds like a man pretending to be a kid. I was somewhat relieved because I that it was a psycho-pedo-murderer or something.