I've been getting these calls too. I'm going to ask the phone company to block their calls. I'm not sure if they can do it, but it's something to try. Also, There is a toll free number for complaints that I got from the American Home Owners Association
State, County, & City Government Consumer Protection Offices
Wisconsin State Offices
William Oemichen, Administrator
Division of Trade and Consumer Protection
Department of Agriculture, Trade and Consumer Protection
2811 Agriculture Drive
P.O. Box 8911
Madison, WI 53708
6082244950
Toll free in WI: 8004227128
Fax: 6082244939