Okay, so maybe you don't have my phone number and I'm not going to publish it on the web because spam calls. So here's a puzzle that should be simple for humans who can translate letters into their standard keypad translation .
Start with the Upper Layer Protocol which is the abstract layer in network encapsulation
The last four don't exist at all, they aren't even zero (and to keep the theme of tech here's the link if you don't know it already)
So: (***) ***-****
If a scraper does figure out the number then AI has passed the Turing test and we are well and truly screwed by our robot overlords so spam calls are the least of our worries.