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- Internal Revenue Service Phone Number Is 1-800-829-1040
This Page Contains information about Internal Revenue Service Phone Number Is 1-800-829-1040 By tax advisor in category Interesting Topics with 14 Replies. Last Upated: Mon Apr 20, 2015 
Mon Apr 14, 2008
this is the main number for the internal revenue services hot line
they are open 7am
WHY DO YOU NEED THE IRS NUMBER?