This number has called me 3-4 times per day over the past week or so while I am at work and am not able answer. They never leave a message. I really haven't the slightest clue who it could be. I even tried calling it back once but it just kept ringing and ringing. So I think I will block the call.

Side note, I really don't think it is a bill collector since my car is paid off, I don't have a credit card, only a debit card and all my my utilities are at a $0.00 balance (just checked online). Weird!!