https://www.quora.com/I-did-a-reverse-phone-number-search-on-someone-s-phone-number-The-results-came-back-with-no-name-associated-What-does-this-mean
If you've received a call from an unknown number or a number that displays as No Caller ID, be careful! Telemarketers and scammers often intentionally hide ...

https://stackoverflow.com/questions/45175813/python-reverse-phone-lookup-with-twilio
I've been looking for a way to do reverse phone lookups with python. I know there are other ways but it would be great if I could do it in python.

https://www.spydialer.com/
Spy Dialer is the newest, fastest, SNEAKIEST free reverse phone number lookup on the web. It works with mobile phones, landlines and email addresses.