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Google that -- Sonic is already providing NoMoRobo:

Sonic.net • Spam call blocking now includes Nomorobo.
viewtopic.php?f=14&t=2354

Oct 3, 2014 - 10 posts - ‎10 authors
We have partnered with Nomorobo, integrating their FTC award-winning robocall block-list in order to make our spam call blocking feature ...

If an unknown call or text message is sent to your phone, you can make a call through https://www.theunknowncall.com

Received a call claiming to be Whitmore Vance and Associates in Ontario, CA. I continually pressed them for their physical address and state business registration number and they eventually just hung up on me and disconnected the number. Definitely a scam using information from some data breach to phish for more information. If they re-connect this line and call you, don’t give them any information - just try to verify their office physical address and state business registration number. https://www.socallers.com/name-address/8883345154