The number leads back to something called predicto.com. I called both predicto and heycosmo and told them they contacted an secure internal government mobile phone and they were kind of scared when i threatened legal action.
I get these calls all the time. If you are throughly annoyed by this caller here is something you can do. If you have a fax machine set it to auto re dial & fax them something. Because there is no fax machine at the other end to receive your fax you can tie up their lines until you hang up so you can screw them for an entire day.