: For issues regarding your personal credit report, disputes, or monitoring, call (800) 916-8800 (available daily).

: If you suspect identity theft, contact the dedicated Fraud Victim Assistance Department at (800) 680-7289 .

: TransUnion offers support via Messages on iOS or WhatsApp through their official chatbot. Fraud Alerts | Place a Fraud Alert - TransUnion

TransUnion credit scores are calculated using the information in your credit report. While you cannot dispute the score itself, you can dispute the underlying report data if it is inaccurate.