Who called from 9106857441

Called by "685-7441", assume it is an area code of 910.  No caller ID. Phone rings and as soon as the ans machine picks up, my phone stops ringing.  No msg left on ans machine.  This number has been calling me several times a week for several months.  I do not answer calls if I do not know the subscriber.

called on 9/14/2015 at 1:02PM.  I did not ans call and no msg left on ans machine. one of a series of calls.  No caller ID left.