Who called from 4043309877

I've had this phone # come across my phone several times, no msg, just hangs up....it is so annoying.  I've tried blocking the #, but whoever it is seems to be able to bypass the block.  Please tell me who this # belongs to so I can report him/her.  Thank you for any and all help anyone can provide.

i keep getting continuos calls from this number as well. No one one the line.

Get a couple calls a day from this number.  No one on the line when I do answer.  Never leave a message.  I haven't tried blocking it yet.

They have called just recently about 3 times per day.  When I finally did answer, they asked for me by name and when I said "yes", they immediately hung up on me.   Does anyone know who these people are???

Really annoying, what they want?