Code Definitions
Account Type Codes (.pdf)
A list of valid account type codes.
Last Updated: 03/31/2021
Address Codes (.pdf)
A list of valid street type, unit type, state, province and other geographic codes.
Last Updated: 10/07/2025
ECOA Codes (.pdf)
A list of valid account/ECOA designator codes.
Last Updated: 03/31/2021
Industry Codes (.pdf)
A list of valid subscriber industry type codes.
Last Updated: 10/03/2024
A list of valid Manner of Payment (MOP, formerly account rating) codes.
Last Updated: 09/30/2021
Name Codes (.pdf)
A list of valid prefix and suffix codes.
Last Updated: 04/06/2018
An explanation of payment pattern logic and a list of valid payment pattern account codes.
Last Updated: 11/04/2025
A list of valid codes that indicate the purpose for the service request.
Last Updated: 10/16/2025
Phone type codes (.pdf)
A list of valid phone type codes.
Last Updated: 01/10/2025
Public Record Types (.pdf)
A list of codes returned in TU4.0, TU4.1, and TUXML to identify types of public records.
Last Updated: 03/31/2020
Remark Codes (.pdf)
A list of valid remark codes.
Last Updated: 11/13/2025
Service Codes (.pdf)
A list of TransUnion standalone and add-on services and formats that they are available in.
Last Updated: 01/01/2026
