Internal Revenue Service (IRS) – Kansas City Service Center Identity Theft Adjustment (IDTVA) / Designated Identity Theft Adjustment (DITA) Team fax number

Fax destination details

Department

Designated Identity Theft Adjustment (DITA) Team; Identity Theft Adjustment (IDT) Accounts (IDTVA) at the Kansas City Service Center

Purpose

Fax routing for Form 3870, Request for Adjustment, to adjust identity theft (IDT) cases. The IRS KC IDTVA routing uses fax number 855-663-7048 for Form 3870, and the DITA team provides official contact and routing information; the efax contact is 855-786-6575 for electronic submissions.

Form

Form 3870 — Form 3870, Request for Adjustment

Address

Kansas City Service Center IDTVA, 333 W. Pershing Road, Kansas City, MO 64108, MS 5050 P4

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.

Use Form 3870 to request tax adjustments or abatements and route to the DITA team per IRS IRM instructions. When routing identity theft adjustments, use the KC IDTVA routing address and fax listed in IRS guidance; include supporting documentation and mark Expedite if needed.