Skip to send fax
RonFaxSend Fax →

RonFax Blog

TransUnion Fax Number for Dispute — Send Online

Published · www.ronfax.com

Credit dispute investigations and supplemental documentation.

Searching for the TransUnion fax number usually means you already have a packet to send and need a reliable way to transmit it today.

RonFax dials the number on your notice. We are not affiliated with TransUnion.

TransUnion fax number (verify first)

A line commonly listed for TransUnion — Credit Dispute is:

(610) 546-4771 · digits: 6105464771

Department commonly listed: TransUnion Dispute Investigation.

Pre-filled send page: Fax to TransUnion — Credit Dispute.

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

What to include

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

Merge into one PDF when possible. RonFax shows price before checkout ($1.99 up to 3 pages, $0.50/extra).

How to fax from your browser

  1. Open Fax to TransUnion
  2. Confirm 6105464771 matches your official paperwork (edit if your letter differs)
  3. Upload your PDF
  4. Pay once and save your status URL

Also: email-to-fax (Gmail / Outlook).

Related guides


Confirm the fax on your official materials, then send from home in minutes.

Frequently asked questions

What is the TransUnion fax number?
A commonly listed line is (610) 546-4771. Confirm on transunion.com or your dispute confirmation page before faxing.
Can I fax TransUnion without a fax machine?
Yes. Open the RonFax send page with the number pre-filled, upload a PDF, pay once, and track delivery.
Does RonFax process my paperwork?
No. RonFax only transmits the PDF you upload. Complete forms yourself and use the fax line on your official materials.

Send from anywhere in the US

Ready to skip the store line? Fax your PDF in minutes—no hardware subscription.

Start Faxing Now - No Account Required