Need to send a message containing sensitive, confidential information to Alliant about your account? You can do this through the secure message function within Alliant Online Banking. These messages are sent internally and are 100% secure. All sensitive data will be removed from your original message before we reply.
For your own protection, Alliant recommends that you never send personal or account information through regular email to us or to any other financial institution or company.
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800-328-1935 | ABA Routing and Transit Number # 271081528
Alliant Credit Union, Chicago, Illinois. Your savings federally insured to at least $250,000 and backed by the full faith and credit of the United States Government - National Credit Union Administration (NCUA), a U.S. Government Agency.
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