Skip to send fax
RonFaxSend Fax →

Fax to Credit bureaus

How to Fax to TransUnion — Credit Dispute: Step-by-Step Guide

Credit bureaus

TransUnion — Credit Dispute

Chicago, IL

Verified Mar 2026

Fax number

(610) 546-4771
Send fax to TransUnion — Credit Dispute →

What to include

  • ✓Legal name, address, date of birth
  • ✓Disputed account details
  • ✓TransUnion confirmation or control number if provided
  • ✓Evidence copies (statements, letters)

Quick info

Department: TransUnion Dispute Investigation

Fax line: (610) 546-4771

  • Reference your TransUnion file or confirmation number
  • One dispute per clear PDF packet reduces processing delays
  • Use a professional cover sheet with callback phone

Confirm on transunion.com or your dispute confirmation page before faxing.

Prerequisites — what to prepare

Before you fax TransUnion — Credit Dispute, gather these items into one PDF when possible:

  • ✓Legal name, address, date of birth
  • ✓Disputed account details
  • ✓TransUnion confirmation or control number if provided
  • ✓Evidence copies (statements, letters)

Step-by-step — send via RonFax

No fax machine required. Pay once from $1.99 for up to 3 pages ($0.50 per extra page).

  1. Merge dispute form + exhibits into one PDF.
  2. Use the send form below with TransUnion's fax line.
  3. Complete payment — pricing shown before checkout.
Send fax to TransUnion nowOr use email-to-fax

Send your fax

More institutions