Answered the call, played along and pressed "1", waited for an "agent".  When I asked what companies they underwrite for or products they carried, the girl said "...umm insurance center?" and hung up immediately.

Filling this out now.  Bookmark it and use it, may be the only real way to battle these criminals:

https://esupport.fcc.gov/ccmsforms/form1088.action?form_type=1088G