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Customer Support Routing Number: 231380104

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Citadel Banking and Credit Cards
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For a limited time, get a $300 bonus when you open a new checking account!

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Savings Accounts
Real Life. Real Savings.

Start earning more with Citadel’s High Yield Savings Account. Enjoy a competitive, variable rate of 0.55% APY.

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Borrow Low Interest Loans
Credit Cards Built For Your Life

With a new look and new benefits, our cards offer everyday low rates, no surprise fees, and the speed and security of contactless payments.

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Invest at Citadel, Available Through CUSO Financial Services, L.P. (CFS*)
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We understand everyone’s goals are different. Our team will help you build a personalized retirement plan.

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Insurance Plans From Citadel
Card Control

Turn your cards on/off, set spending limits, and manage location settings with Citadel Card Control.

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Learn & Plan
Refer Your Friends to Citadel for Cash!

You can earn $50 for each person you refer.

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Make a Payment
24/7 Real-Time Account Alerts

Manage your loan and stay current on statements, payments, and more with personalized alerts and reminders that help provide peace of mind.

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How is interest on credit cards calculated?

Frequently Asked Question

To calculate the interest on credit cards, divide your APR by 365. Then multiply the balance by this number to determine interest charges.