Seems associated with number/caller id spoofing. I had to change blocker program as this number would somehow get past call block, while all other blocked numbers would not. Reported to FCC.
Recent Complaint Activity for (800) 586-0017
An EveryCaller user suggested caller name as Enhanced Recovery Company
03/30/18 04:42 AM
A Call Control user reported as spam
04/26/15 02:58 PM
An EveryCaller user reported as spam
04/30/14 05:03 PM
You might be interested in checking reports for these numbers