IssuesAndSolutions
Business customers and vendors can find assistance for website login and for system issues related to the TU4.0 and TU4.1 formats.
Find answers to your technical questions related to logging in to this website, using our dedicated test environment, connecting to TransUnion systems, and more.
 
Review our list of error codes commonly returned during transaction processing. Use the tips provided to understand and resolve any related issues.
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Contact Us

Business
Online
 
Phone
800-813-5604
Hours: 24x7
 
Billing Inquiries
Phone
866-810-2636
Hours: 8 am - 7 pm ET
 
Personal
Phone
800-916-8800
Hours:
M-F 8 am - 11 pm ET
S-S 8 am - 5 pm ET

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