TransUnion Business
Client Technical Services
Document Repository
Document Repository
Issues and Solutions
Issues and Solutions
System Coding
System Coding
Online Batch Users
Online Batch Users
Announcements
Announcements
Contact Us
Contact Us
FAQs
Troubleshooting Guide
Zero-Level Error Codes
100-Level Error Codes
200-Level Error Codes
300-Level Error Codes
400-Level Error Codes
Business customers and vendors can find assistance for website login and for system issues related to the TU4.0 and TU4.1 formats.
FAQs
Find answers to your technical questions related to logging in to this website, using our dedicated test environment, connecting to TransUnion systems, and more.
Troubleshooting Guide
Review our list of error codes commonly returned during transaction processing. Use the tips provided to understand and resolve any related issues.
Print
Font
-
+
Contact Us
Business
Online
Client Technical Support
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
Related Topics
How to read a credit report
Download now
©2006-2023 TransUnion LLC. All rights reserved.
Site Map
Privacy
Terms of Use
Personal Information We Collect