Who called from 4194649015

i got a cal from this number. i want to know who is this

(419) 464-9015
Toledo, OH
Received calls from above phone no 3-4 times in last 2 days.  
No body speaks from other side.
When you callback this number, message "this number is not in service, switch not working. "

called, ignored it, no vm..

called and rang once. hung up before i could pick up

received a call from this number 419-464-9015. I do not pick up numbers I don't know. No VM.