Called the number back and an automated voice answered and asked if I wanted to have my number put on the do not call list to press 1, so I did and it said thank you and hung up
When you block your number and call back you get a phony v-mail recording (not a real phone company recording) that the number has been disconnected or no longer in service.
Called the number back and an automated voice answered and asked if I wanted to have my number put on the do not call list to press 1, so I did and it said thank you and hung up