Blog
800-689-4776: Franchise Tax Board Collections
800-689-4776 is a real California Franchise Tax Board (FTB) number. It’s the FTB’s personal…
800-829-8310: The IRS Number on CP2000 Notices
800-829-8310 is a real IRS phone number. It’s printed on the CP2000, the notice…
855-800-8106 and 800-829-8374: IRS Notice CP59 Numbers
Both numbers are real, and both come from Notice CP59, the IRS letter that…
855-279-2109: The IRS Fax Number on Notice CP63
855-279-2109 is an IRS fax number, not a phone line. It’s printed on Notice…
833-282-7220: The IRS Collections (ACS) Line
833-282-7220 is a real IRS phone number. It belongs to the IRS Automated Collection…
844-875-3420: The IRS Number on Notice CP40
844-875-3420 is a real IRS phone number. It’s printed on Notice CP40, the letter…
833-678-7020: The IRS Balance-Due Line
Yes, 833-678-7020 is a real IRS phone number. The IRS prints it on the…
What Are Your Chances of Being Audited? IRS Audit Statistics for 2026
About 1 in 316 individual returns for tax year 2021 were audited. IRS audit rates by income and tax year, how many audits happen by mail, how many end with no change, what audits find and how IRS audit staffing has changed, built from the IRS Data Book and TIGTA.
IRS Form 14817: What the Reply Cover Sheet Is and How to Use It
Form 14817 is the Reply Cover Sheet the IRS sends with correspondence audit letters. Here is how to fill it out, how to send your reply, and what happens if you don’t respond.
Tax Statistics
Original data studies on U.S. taxes from Choice Tax Relief, built from IRS and Treasury data.
IRS Letter 3659C: What It Is and What to Do While You Wait
If you filed Form 8857 asking the IRS to release you from a tax…
IRS Notice CP23: Why Did The IRS Recalculate My Return?
IRS Notice CP23 tells you that the IRS changed your tax return because the…