Alliant Credit Union Credit Card Payment, Login, and Customer Service Information

Alliant Credit Union allows its members to pay credit card bills online, by mail, or by phone. Below you’ll find all of the information you need to make a payment by any of those methods, or to get customer service assistance with your credit card account:


If you prefer to pay by mail, send your payment to the following address:

Alliant Credit Union
P.O. Box 1666
Des Plaines, IL, 60017-1666

If you’d like to pay by phone, or if you need other help, the Alliant Credit Union customer service phone number to call is 800-328-1935.