https://www.mcsweeneys.net/articles/an-interactive-guide-to-...
(A long-ish read, but totally worth it. the "punch line" is beautiful.)
This loses all believability, given the fact that i can reliably go out of town to a different area code and immediately start getting phishing/scam/robo calls/texts from numbers of said area code. Granted, i am U.S.'ian.