They want to scam you. If you call back and refuse to give your name the man calls you "piece of [***]" repeatedly but if you just call and put the phone down he gets REALLY pissed.
This issue at hand is extremely time sensitive. I am officer Nicky Johnson from Internal Revenue Sevice and the hotline number is 323-729-3068. I repeat it's 323-729-3068. Do not disregard this message and do return the call before we take any action against you. Good Bye and take care
Computer generated voice: from "IRS" (did not call back as I know it was false--and they called at my employment--a State Office.)
The Second you receive this message. I need you or your retained attorney of record to return the call the issue at hand is extremely time sensitive. I'm officer nicky Johnson from internal revenue service and the hotline to my division as 323-729-3068 I repeat. It's 323-729-3068 don't disregard this message and do return the call before we take any action against you. Goodbye and take care.