Contact Us

To help us better serve you, let's start with the reason you're contacting us.

Need help immediately?

We're always available by phone

  800-328-1935

Phone

800-328-1935

Lost or Stolen Card

Credit Card: 866-444-8529
ATM/Debit Card: 800-328-1935

International Calls

773-462-2000

Accessibility

TTY/TTD: 800-328-1935

Bank Routing Number

#271081528

P.O. Box for Deposits/Payments

Alliant Credit Union P.O. Box 2387 Des Plaines, IL, 60017-2387