My parents have been getting calls nearly every day from (416) 256-6481. We pick up the phone, say hello, but hear no response. After a little while they hang up.
I decided to try a reverse phone lookup to find out who it was. No luck. Then I tried Google. I didn't expect to find anything, but I did!
At least I know what we're dealing with now, and know what I can do to try to stop the calls. Assholes.