Got a call from 307-257-9167. Automated call from "IRS" filing a lawsuit against me and to call the number back.

Scam robocall. Called three times, but blocked and sent to voicemail the second two.
“This call is officially a final notice from IRS, Internal Revenue Service. The reason of this call is to inform you that IRS is filing lawsuit against you. To get more information about this case file, please call immediately on our department number 307-257-9167 ….”

Note the curious missing definite articles -- "IRS" instead of "the IRS" and "Internal Revenue Service" instead of "the Internal Revenue Service." It’s not how an American speaker would say it.

Ignored because I didn't recognize number. Left a voice mail that it was the IRS and was filing a lawsuit. HAs called me three times today in 4 hours.

I got a call on my cell phone and they left a voicemail message saying the IRS was filing a law suit against me too this morning. It was an automated message saying to call the number back.

Its a scam and its been around for years.
http://800notes.com/forum/ta-8c2f64bf2b91fa5/irs-warns-of-telephone-scam