If you or your applicant need to contact TransUnion directly, TransUnion customer support is available 7 days a week at (866) 775-0961. Press 1 for customer service.
M-F, 7 AM to 6 PM
Saturday, 8:30 AM to 5 PM
Sunday, 9:30 AM to 5 PM
Alternatively, TransUnion can be reached by email at firstname.lastname@example.org.
TransUnion has a dedicated security freeze line in case your applicant has a frozen account. That number is, (888) 909-8872.