If you want to go full tech-savvy minimalist, buy a landline call-blocking device. These little boxes plug into your phone jack and let you block numbers by hand or with a simple keypad. Some even have a “scream” button that plays a loud noise for robocallers. Yes, that’s real.
My personal favorite? Devices that let you block numbers via a mobile app. You step away from the landline, tap your smartphone, and the unwanted number is gone. It’s like having a magic wand for your landline. Abracadabra, silence.
9 Ways to Block a Call - wikiHow
