They called said they were the IRS if I didn't call back the local police would arrest me. They gave me a case number wow like I care they need to be stopped

MY HUSBAND GOT ONE FILLED WITH THREATS AND YOU CAN'T REACH IRS TO CONFIRM............

It is a scam based overseas. The IRS does not initiate contact over the phone.
IRS/Government Scam Calls
http://www.treasury.gov/tigta/contact_report_scam.shtml
http://www.irs.gov/uac/Newsroom/IRS-Warns-of-Pervasive-Telephone-Scam
http://www.consumer.ftc.gov/articles/0048-government-imposter-scams

If you paused a bit, and read Alfalfa's post before you SHOUTED at us, you would have learned it was a scam.  No need to tie up IRS phone lines to verify that fact.

There is a widespread IRS or "tax scam" being  practiced by scammers on both Canadian and USA residents.
USA tax payers should read this:
http://www.irs.gov/uac/Newsroom/IRS-Reiterate ... -Telephone-Scam

Short answer:
The IRS never initiates a contact via phone.
They always send a snailmail first.

Educational post:
This scam is also described as scam #11, here:
http://phonehelp.2truth.com/facts_rev.html

If you were contacted by an IRS impostor, you may file a report, after clicking on this link:
http://www.treasury.gov/tigta/contact_report_scam.shtml

Do not worry about it. It is absolutely a scam.  The IRS does not operate in this manner.  Just ignore all such calls. For further information see the IRS News Release on this scam:

http://www.irs.gov/uac/Newsroom/IRS-Reiterate ... -Telephone-Scam

This has been ongoing for several years and originates in India or Pakistan among other foreign countries.