imp saved me from a scam call. Is there any way to report that number? March 17, 2022 23:21 Updated Yes, all numbers you suspect are scam calls, you can report to the Federal Trade Commission at this link: FTC.gov Related articles My imp is in screening mode, but greenlist messages are not being left on my answering machine. What do I need? (What requirements do I have to have to use an imp box?) imp is reporting the wrong caller ID. How does imp know which numbers to allow through?