Before you fax
Verify your state against the current IRS Where To File chart before sending.
Official source checkedwww.irs.gov ↗
Official IRS fax destination for Form 8821 in the western-state CAF routing group.
Verify your state against the current IRS Where To File chart before sending.
Use the verified number below to prefill the sender. You can still review it before payment.
Use number 855-214-7522 →Austin Refund Inquiry Unit
Open workflow →Fresno Refund Inquiry Unit
Open workflow →Brookhaven Refund Inquiry Unit
Open workflow →Kansas City Refund Inquiry Unit
Open workflow →Memphis CAF Unit
Open workflow →Ogden CAF Unit
Open workflow →