More than 50% of calls coming into my small local business are from spammers & scammers. Many I have memorized they call so often, some for over 6 years now. Most of these numbers are spoofed. It does no good to tell them to quit calling. I no longer answer ANY out of state calls unless I know the person.

Never call these number back.

Never call these numbers back.

Blocked via Google Voice
Blocked via wireless carrier
Blocked via iBlacklist (iOS)
Blocked via Call Control (Android)
Reported to online junk caller databases

I have a bunch of missed calls on my Google voice account from this number, but my phone wasn't ringing anyway.

I answered by advising caller the call was being recorded and asked they please continue.  Caller hung up