Internal Revenue Service (IRS) fax number

Fax destination details

Department

Refund Inquiry Unit (Form 3911 processing / Taxpayer Statement Regarding Refund)

Purpose

Submit Form 3911 to initiate a payment trace for a missing refund. The form may be mailed or faxed to the Refund Inquiry Unit appropriate for your state; each state has a designated address and fax number.

Form

Form 3911 — Taxpayer Statement Regarding Refund

Address

State-specific Refund Inquiry Unit addresses and fax numbers are published on the Form 3911 page; examples: Andover Refund Inquiry Unit, Andover MA 01810; Atlanta Refund Inquiry Unit, Atlanta GA 30341; Fresno Refund Inquiry Unit, Fresno CA 93725; Kansas City Refund Inquiry Unit, Kansas City MO 64108; Memphis Refund Inquiry Unit, Memphis TN 38118; Philadelphia Refund Inquiry Unit, Philadelphia PA 19104.

Voice phone

1-800-829-1954

Website

Visit organization website

Before you send

• Confirm that this exact department handles your document or request.
• Check the organization website or call its main line for the current fax number.
• Include a cover sheet and any case, member, claim, or form reference required.
• Keep the delivery confirmation with your submission records.

Fill out Form 3911 entirely and return to the IRS via the envelope provided with the form or fax to the designated Refund Inquiry Unit for your state. Use a separate Form 3911 for each refund you are tracing.