Cellular Phone Robocalls, telemarketing and annoying calls and scams

Scope

This article refers mainly to cellular phones in the United States.

The problem

Spammers and scammers can purchased VoIP lines very inexpensively ...

See also

https://en.wikipedia.org/wiki/Mobile_phone_spam

https://en.wikipedia.org/wiki/Caller_ID_spoofing

https://en.wikipedia.org/wiki/Robocall

https://en.wikipedia.org/wiki/National_Do_Not_Call_Registry

How to report it

FTC - https://www.consumer.ftc.gov/articles/0076-phone-scams

FCC - https://www.fcc.gov/stop-unwanted-calls

FBI - https://www.ic3.gov

The Rogues

https://www.spamhaus.org/rokso/

https://en.wikipedia.org/wiki/Jeremy_Jaynes