Here you will learn all info about the Avant Credit Card as a holder. You will learn how to login into your account, and how to reach customer services, online payments.
Customer Service Helpline
The Avant credit card customer service phone number is 855-752-7012. Note that
you may not be able to make payments by phone.
Payment Address of Credit Cards
PO Box 1429
Carol Stream, IL 60132-1429