IRS Tax Help Line for Individuals
(800) 829-1040
M–F, 7:00 a.m.–10:00 p.m., local time
Business and Specialty Tax Line
(800) 829-4933
M–F, 7:00 a.m.–10:00 p.m., local time
For help with Past Due Returns visit:
http://www.taxeswilltravel.com/past_due_returns.htm,