Caller ID shows Integrity Professional Solutions - they are a debt collector out of Grand Rapids, Michigan.  Multiple calls over a period of weeks, with no voice mails or messages left.  Apparently, they are using multiple numbers in multiple Michigan area codes, as Grand Rapids is in 616 and the number that called me is in 269.

Contact info for the company:

Integrity Professional Solutions, Inc.
2680 Horizon Dr SE, STE B2
Grand Rapids MI 49546
Office: (800) 940-2501
Fax: (616) 940-2512
Website:  www.billcollector.net
E-mail:  info@ipsmi.com

CALLS ALOT, NEVER LEAVES MESSAGE. IF I FIND OUT WHOSE DOING THIS HARRASMENT, I WILL PERSONALLY MAKE A VISIT TO THEM TO FIND OUT THE NATURE OFTHEIR BUSINESS