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How do I join?

Joining Alliant is easy. You can complete our secure online membership application.

Alternatively, you can download and mail in your completed member enrollment application (PDF) to:

U.S Postal Service Delivery Overnight Service
Alliant Credit Union Alliant Credit Union
Attn. New Membership Operations Attn. New Membership Operations
P.O. Box 66945 11545 W. Touhy Ave.
Chicago, IL 60666-0945 Chicago, IL 60666

For more information, please contact us anytime at (800) 328-1935 (24/7).

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