General Security Tips
800-525-6285; Experian: 1-888-397-3742; TransUnion: 1-800-680-7289 What is a “Security Freeze”?… Box 2002, Allen, TX 75013, (888) 397-3742 (www.experian.com) TransUnion, P. O… Box 1000, Chester, PA 19022, (800) 888-4213 (www.transunion.com). What is a “Fraud Alert”?