You move to a new home in a new town. You get a new phone number, selected from three or four choices because it has a pattern you think people will easily remember. You notify everyone you know of your new number.
In the days and weeks and months that follow, you come to the realization that the people who had your number before you most likely changed their number TO EVADE BILL COLLECTORS. Or they lost their phone service.
Either way, I have decided to just start praying for them.
I'm praying for you, Dilbert and Gertrude Billwicky (names changed to respect their privacy). It won't be hard to remember to.