I had a lot of fun with lists like these in the 70s/80s. To this day I give all of my creditors a phone number which I know has rung busy since 1983 thanks to l

I had a lot of fun with lists like these in the 70s/80s. To this day I give all of my creditors a phone number which I know has rung busy since 1983 thanks to lists like these. It would be very interesting to war-dial all of the US exchanges in 2022 to see what answers.