801 657-3320 belongs to Enhanced Recovery Services, Collection agency.  www.erccollections.com  There inbound number is 904 645-0049 and their toll free number is 800 942-0015.  Automatic dialer calls and asks for someone we do not know. I have asked them to remove our number from the calling list. They keep on calling. from a different phone number.  I have three of there numbers blocked as of today (801) 657-3289,  (801) 657-3259,  (801) 657-3320,  BLOCKED as of April 19, 2013.
Mr Kelly