That (416) 956-7468 just called me at 11:15pm - called it back said the number is not in service.

Hi... I got a call from this number... when i called bak... it was unavailable or unreachable...

I also get calls which displays 'unknown' in my caller id... is these ppl whom i know...???

Got a call at 8:45 - nothing on other end

Got a call last night at 1am, picked it up and there was nothing on the other line.  Tried to phone it back but it said it was unassigned.

Called around 5:30 in the morning Eastern Time, heard only background noises on the line.