Caller is:

Callassistant LC
5286 S. Commerce Dr. #A116
Murray, Utah 84107
Ask for Anu

Complaints should be made to the state agency that regulates telemarketers:
Utah Division of Consumer Protection
160 East 300 South
Salt Lake City, UT 84111
(800) 721-SAFE
Fax: 801-530-6001

Also to the National Do Not Call Registry (if you're on it):

The registry does not investigate complaints, but its complaint database can be used by the UDCP in their investigation.
Sick of It
 Feb 19th, 2009