No change where I am. Left the house at 10 AM to do errands, got back at 1:30 PM, six blank “messages” captured by my machine in 3-1/2 hours. And that doesn’t count the ones that drop out too quickly for the machine to capture them.
Sounds like you have a landline,try this.
Get the 3 toned recording that indicates a disconnected phone and put it on your answering machine. The robo calls will pull you number off the auto dialer.