Assistance with Vendor/Customer Maintenance
Financial Assistance
Help Desk Information
- Phone Number: 1-800-421-0323
- Hours of Operation: 7:45 AM to 4:00 PM Central Time, Monday through Friday (except for Federal holidays)
Callers who are hearing or speech impaired:
Federal Relay Services
Online: Telecommunications Relay Services (TRS)
VRS: 1-877-709-5798
TTY: 1-800-877-8339