At this point I'm firmly of the opinion that "leak this 10 digit code and anyone on the planet can call me relentlessly" is just a broken model. Maybe that worked better when the calls carried a significant cost, but clearly the scammers are able to do this sort of thing at scale. In practice of course, my phone is 100% permanently in "do not disturb" mode and does not ring at all unless I've added you to my contact…
> leak this 10 digit code
Leak? It's a 10 digit code where you can throw out more than two thirds of them. The only leaking is getting names attached and being currently active.I mean numbers are as terrible as social security numbers. For both of them you can take your number, add one, and get another valid number.
I'm also not sure what the correct solution is but I'm sure there's some pretty smart people out there that have some really good ideas and understand the issue with a lot of complexity (aka: I won't believe anyone who starts with "It's so simple, you just...")