Fax Form 8802 (application for U.S. residency certification) to the IRS
Fax Form 8802 to 877-824-9110 (toll-free, U.S. only) or 304-707-9792 (from anywhere). Faxing works when the user fee is paid electronically; with a check, the form goes by mail.
| Who | Fax number |
|---|---|
| U.S. Residency Certification, from within the United States (toll-free) | 877-824-9110 |
| U.S. Residency Certification, from inside or outside the United States | 304-707-9792 |
Checked against Instructions for Form 8802, IRS.gov on October 12, 2026.