Mimithegr8----You are NOT stupid at all! So very glad to hear that you recognized this as a scam immediately. Theres a special place on the other side for these people who spend their lives scamming others. Be sure to share the info with all of your friends, not everyone is as sharp as you are.
I received a message from this number claiming to be from the US Government regarding an enforcement action executed by the US Treasury and threatening federal criminal charges if ignored. I understand that this is a known scam.
I did receive a call from this number today. A complete scam. Please remember to reguister your complaint with the IRS here: https://www.treasury.gov/tigta/contact_report_scam.shtml.
Treasury department warning about a bench warrant and appearance before federal magistrate. Called treasury and their voicemail politely informed me they do not call before enforcement actions. Called # back and gleefully shared that info with 2 foreign sounding people who hung up on me after trying to convince me they were agents calling to collect. Specifically hung up after I called the lady a scammer.