The company is called Premium Asset Recovery Company. Their contact info:
Premium Asset Recovery Company
350 Jim Moran Blvd., Ste. 210
Deerfield Beach, FL 33442
Phone: 888.912.7272
Call them, and tell them that you want the phone calls to stop. Document the time you called, who you spoke with, etc, in case they don't stop calling. Best of luck to you.