Contact Us

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

Having a trouble with your account?

We'll be happy to help you with any account or online banking issues you're having. Let's get started by logging into your online banking account.

Log in to your Account      or     

800-328-1935

For emergency issues, we recommend you call us right away. We are available 24/7.

 

800-328-1935

 

Otherwise, please Continue to the contact form

Submissions are disabled in this historical demonstration.

Need help immediately?

We're always available by phone

  800-328-1935

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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

Historical Alliant website demonstration. Rates are historical examples. Accounts, applications and submissions are unavailable.