Coupon Code Alliant Credit Union 2026: Up to $100 OFF (Updated Daily)

When you join Alliant, you are more than just an account. Alliant Credit Union is a non-profit financial cooperative, which means that all of their members are also owners. Alliant Credit Union membership first philosophy always serves them. With more than 80 years of history and more than $12 billion in assets, Alliant is the largest credit union in the state of Illinois and one of the largest in the United States. Their excellent online, mobile and telephone banking services, coupled with a full suite of competitive products, make banking easier for their 500,000 members nationwide. Provide members with consistently superior financial value while simplifying and enabling the way people save, borrow, and pay.