......of telemarketing calls lately. I do not know what has caused it but decided to do all I can to stop it. In Iowa, this is the site to go. to- https://www.iowaattorneygeneral.gov/newsroom/us-do-not-call-registry/
You may register up to 3 numbers at one time.
You may also go the National site- https://www.donotcall.gov/
Or find the site for your state.