this number shows up on our caller ID.No Message left,I get a busy signal when i called them back.

Stop

Beeped in while I was on another call so I didn't answer.  Will block it.

The caller I.D. for the call received today (5/25/17) showed "Whitmire SC".  I did not answer it and no message was left from this caller.  I called this number back from my unlisted phone and received the message that this number was disconnected. THEY ARE NOW BLOCKED!