Caller ID says "Preferred Systems".  They call several times, but I do not recognize the name, number or area code so I do not pick up.  They never leave a message.  Another post on this website regarding this number says it's a sales pitch from Kirby Co. offering "free" carpet cleaning.  They can clean my taint!  Reporting them to the FTC.

Called while I was out.  Did not leave a message.