They keep calling my cell but don't leave any message.  Today I answered, and the guy said he was Jim Jacobs and asked for my wife.  When I told him she was busy, he said it was just a courtesy call and he would call back later.  I get calls 2 to 3 times a day from this number.

I get calls from this number a few times a week but when I answer they hang up. I wish they would talk to me long enough so that I could ask them to remove me from their calling list.

Register on the Do Not Call Registry then report these numbers.
https://complaints.donotcall.gov/complaint/complaintcheck.aspx

I get calls constantly from this 407 number. I looked up the area code and it is based in Florida, I never pick up the call and they never leave a message. How annoying.

called my cell 2 days and didn't leave a msg