Who called from 4344064738

Called, and hung up on the machine. About an hour ago, I had a call from 434-406-4752, so I "range blocked" the entire 434-406 prefix. These calls are obviously related. See:
http://800notes.com/Phone.aspx/1-434-406-4752

Has called several times today. I don't answer.

called-no msg.  Robo call. Scam?

Called a few minutes ago, on a Sunday yet.Shows only Prospect, Va and phone number. Hung up as it went to v/m.  These calls are getting ridiculous.

Tel No:      434-406-4738
Caller ID:  Prospect VA
Probable:  SCAM ARTISTs ...
Action:      Blocked !