IRS tax forms
Internal Revenue Service / Business identity theft processing
Report business identity theft when no related IRS notice or letter was received
Use the number only for the documented purpose and routing rule below.
This listing does not guarantee delivery, processing, acceptance, or deadline treatment. Recheck the official instructions before sending.
Route decision
Is this the right fax route?
Match all three checks before using the number.
- 01 Purpose
- Report business identity theft when no related IRS notice or letter was received
- 02 Region or eligibility
- Business entities, estates, trusts, exempt organizations, or individuals reporting an unrequested EIN when the filer did not receive an IRS notice or letter about the issue.
- 03 Required form or document
- Completed and signed Form 14039-B, Business Identity Theft Affidavit, with the documentation required for the selected issue in Section F.
Submission notes
What to put on the route.
Routing instructions
Fax the affidavit and required documentation to the toll-free identity-theft line. The form recommends a cover sheet marked “Confidential.”
Official source and check date
Recheck the route before sending.
- Recipient
- Internal Revenue Service
- Fax
- 855-807-5720
- Last checked
As of August 25, 2026, the linked Internal Revenue Service source listed this number for the purpose shown. Just One Fax is not affiliated with or endorsed by Internal Revenue Service.
Before transmission
Questions to answer before sending.
What is the Internal Revenue Service fax number for this purpose?
855-807-5720 is the fax number published in the cited official source for this specific purpose: Report business identity theft when no related IRS notice or letter was received. Recheck the source immediately before sending.
How do I know whether this is the right regional route?
Business entities, estates, trusts, exempt organizations, or individuals reporting an unrequested EIN when the filer did not receive an IRS notice or letter about the issue.
What should I send to this fax number?
Completed and signed Form 14039-B, Business Identity Theft Affidavit, with the documentation required for the selected issue in Section F. Fax the affidavit and required documentation to the toll-free identity-theft line. The form recommends a cover sheet marked “Confidential.”
Does this listing guarantee acceptance?
No. The linked source listed this route on August 25, 2026, but only the recipient can determine delivery, eligibility, processing, acceptance, or deadline treatment.
Number prefilled, decision still yours
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Send to 855-807-5720