Who called from 5099150000

Ok so I've been gettin a lot of calls from numbers I don't recognize and everytime I call the operator says its been disconnected or is no longer in service.

Ok so I've been gettin a lot of calls from numbers I don't recognize and everytime I call the operator says its been disconnected or is no longer in service.

Disconnected numbers mean they're being spoofed by a hostile caller.