Who called from 3129850116

Called my cell, I answered but there was no one there.

Since 7:30 this morning, this number has called my cell 12 times. I don't answer calls I don't recognize. It's really annoying!

Over the last week in well over 100 missed calls. What the hell is this? I'm on donot all.gov

This number and two other numbers from Illinois-- 312-985-0091 and 312-985-0104-- call ALL day every day starting at 6:30am. They call  my cell phone and it doesn't stop! No one on the other end when answered. All calls are listed under Ovations Communications of Illinois. I reported the numbers to the DNC and my state's DNC, and it stops for a week then picks up again. What the heck? But it never ends. -_-

this is Verizon bill collections,i don't have verizon