Credit Union 1 is investing in our team to better serve our members! On Wednesday, September 16, our Member Solutions Teams will be in training all day and member service will be unavailable by phone, Live Chat, and secure message. For assistance on September 16, please use Luna's self-service banking capabilities, log in to Digital Banking, or visit your local branch. Thank you for your understanding and being a member of Credit Union 1.

Need Assistance? (800) 252-6950

Score 4.75% APY1 with CU1

Credit Union 1—the official financial and literacy partner of the Illinois High School Association—wants to help you make more of your money. Members can earn up to 4.75% APY1 with High Yield Checking by using the account for everyday banking needs. Open an account today to start earning.

No fees, no minimum balances and get paid up to two days early!2

Forbes America's Best in State Credit Unions 2026

Award-Winning Banking Starts Here

Credit Union 1 is proud to be named one of Forbes' Best-In-State Credit Unions. This recognition reflects our commitment to delivering exceptional service, trusted financial solutions, and an outstanding member experience.

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Athletic Conference Logos

Winning Partnerships On and Off the Court

Did you know: In a recent survey, only 53% of college students felt prepared to manage their money. So Credit Union 1 has partnered with collegiate athletic conferences to provide their student populations with valuable financial education to build a stronger financial future. 

Cole Kmet partners with CU1

CU1 x Cole Kmet

Credit Union 1 is teaming up with Chicago tight end Cole Kmet to make an impact in our communities. Kmet has deep roots in both Chicago and South Bend, and we will partner together to give back and make an impact.

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7 & 15-Month CD Promo

Limited-Time CD Specials: Two Ways to Save More

Reach your savings goals with two new special CDs. These limited-time offers are built to reward new money, including a 7-month CD at 3.85% APY3 or a 15-month CD at 3.70% APY3.

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Open an Account in Minutes

Online

A simple, self-service option to open your account quickly, at your convenience.

In Person

Our CU1 team members would be happy to assist you with account opening and more at the branch closest to you.

Have Questions?

CU1 Team Members are available to answer questions over the phone Monday through Friday, 9:00am - 5:00pm CST.

Partnerships - CardHub

Control Your Debit Card Anytime, Anywhere

Easily manage your CU1 debit card on-the-go with Debit Card Controls directly in Digital Banking. Turn your card on and off, set up spending controls and alerts, set travel notifications, monitor your card activity, and more—all within Digital Banking.

CU1 Cares icon

Credit Union 1 is celebrating 67 years of helping individuals, families and communities reach their financial goals. Learn More

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