Fax Form 3911 to trace your missing refund

Form 3911 (Taxpayer Statement Regarding Refund) is faxed to one of eight regional refund-inquiry units for individuals — Andover, Atlanta, Austin, Brookhaven, Fresno, Kansas City, Memphis or Philadelphia — determined by your state. Business refund traces go to Cincinnati or Ogden.

Select your state (and whether it's a business refund) and we resolve the correct number. Send nothing except Form 3911 to these lines.

Fax Form 3911 now — $2.49

Where this form faxes

ScenarioIRS fax number
Individuals8 regional numbers, routed by state
International / territories / APO-FPO855-203-7538 (Austin)
Businesses855-307-3124 (Cincinnati) / 855-578-2550 (Ogden), by state

IRS fax numbers change without notice. We re-verify our routing table against the current IRS form instructions, and the exact number your document was sent to is printed on your transmission report.

Numbers last verified against IRS sources: 2026-07-19 · Official IRS source

Deadline

Start a trace 28+ days after the refund was issued (paper check) or if 'Where's My Refund' tells you to.

Frequently asked questions

It depends on your state — the IRS runs 8 regional refund-inquiry fax units for individuals and 2 for businesses. Our form resolves the number from the state you select.

No. The IRS instructs taxpayers to send nothing except Form 3911 to these fax lines; anything else will not be processed there.

Generally 28 days after the IRS issued a paper check, 5 days after direct deposit was expected, or when the refund tool directs you to. Married-joint filers must use Form 3911 rather than the phone trace.

Ready to fax Form 3911?

$2.49 flat up to 25 pages · correct IRS number resolved automatically · transmission report to your email.

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