Who called from 9496392000

hangs up as soon as i answer

Keeps calling an office cell phone that no one uses anymore.  HOW did it get that number?!  The number is kept active, but is used only to call other office employees.  Hmm.

Number has called 3 times today, relentless much?!  I don't answer numbers I don't know.

called be twice at 630 a.m.

saw the calls came in at that time, phone was on silence so it didn't matter but 630a.m.? really????