Form 8821 Fax Number: Where to Fax 8821 and 2848 (CAF Unit)

Video tutorial0:39

Quick answer

Where do you fax Form 8821 or Form 2848? They go to the IRS CAF unit for your region. This demo looks up California, which goes to the Ogden CAF unit at (855) 214-7522.

Pick your own state in the lookup, since the CAF fax number depends on where you live.

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 Form 8821 and pick your state
  3. Copy the CAF unit number or tap Fax this number
  4. Faxend opens with the number already filled in

What the video shows

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

  • 0:00Open Fax Number Lookup
  • 0:11Your CAF unit fax number
  • 0:25Fax it from Faxend

Names and personal details on screen are sample data.

Read the full guideHow to fax Form 8821 to the IRS →

Send your fax now

Upload a PDF or a photo, add a cover sheet if you need one and send it from your browser. No fax machine needed.

Download on the App StoreGet it on Google Play

All Faxend video tutorials