CP2000 Fax Number: Where to Find It and How to Fax Your Reply

Video tutorial0:34

Quick answer

What is the CP2000 fax number? The fax number for your CP2000 response is printed on your notice, in the upper right corner of page 1. Different CP2000 notices route to different IRS service centers, so use the number on your own notice.

Then fax your signed response and documents online.

Faxend is an independent online fax service. It is not affiliated with the IRS.

Step by step

  1. Open Fax Tools and choose Fax Number Lookup
  2. Search CP2000
  3. Find the fax number on page 1 of your notice
  4. Tap Fax your response and send

What the video shows

A short screen recording of Faxend on the web. Jump to a moment:

  • 0:00Open Fax Number Lookup
  • 0:09Where the CP2000 fax number is
  • 0:20Fax your response

Names and personal details on screen are sample data.

Read the full guideHow to fax an IRS CP2000 response →

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