January 24, 2012 9:21:24 PM PST
The IRS has a helpline. I called them recently with a question and the representative was very helpful. I was expecting a bad experience, to be on hold for a long time, and to feel frustrated but I wasn't. I called around 6:45 p.m.
Hours: Monday-Friday 7:00-7:00
1-800-829-1040 individuals
1-800-829-4933 businesses