Who called from 4254069265

This is some air duct cleaning company, they left message on voice mail.

called no message left

We're on the do not call list, and yet we continually get sales calls.  How can we stop it?

Did not leave msg, returned call to this number and confirmed that it is some sort of telemarketer.
We are on the national Do Not Calllist.

Scum telemarketers calling from a spoofed phone number.