Who called from 3125136581

Called my unlisted cell number and did not leave a message, When I tried to call back says voicemail box has notg been set up yet.

Got a call the last 2 days.  Called back and got the voicemessage "The user you have dialed has a voicemail box that hasn't been set up yet.   Goodbye".

Please have this number STOP calling me.

This number keeps calling me and I want it to stop.  Then the voice tells me that the voice mailbox hasn't been set up yet.  I do not want these calls.  Whomever is at this number has already called twice today.

This number has called me twice today and once yesterday, but when I answer no one even says anything.  Annoying.