Received a call from this telephone number. No message was left. Anonymous callback reached a Verizon Core intercept saying that the number is non-working. A tag followed, but, I did not note the exact verbiage.

Telemarketing

Verizon non-working number! Then how can they call?

Informational post:
Your question is very similar to some of the questions or statements in the list of Fatuously Asked Questions (FAQs) asked here.
Real answers to those questions or statements or demands are summarized at
http://phonehelp.2truth.com/faqs.html

Remember to return here, to 800notes.com, after visiting that site, and let us know if you learned something from those real answers.