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Simple Solutions.
Wherever you are.
Whenever you need them.

We have the digital banking options you want with the people-first approach you need.

Open an Account Talk to Us
  • Home Page (2020)

    Live Chat

    Talk to us on your phone or computer during regular business hours.

    Learn More
  • Home Page (2020)

    Lock/unlock your cards

    You're in control. Manage your Arsenal debit and credit cards with CardKey.

    Control My Cards
  • Home Page (2020)

    Tap. Snap. Deposit.

    Deposit checks anytime, anywhere with Mobile Check Deposit on the Arsenal app.

    Start Depositing

Do it All From Your Phone

Check balances, deposit checks, pay bills, make transfers, chat with an Arsenal rep and so much more with our mobile banking app.

  • Home Page (2020)

    Use more free ATMs

    Access your cash at nearly 30,000 ATMs nationwide with no fees, including 250+ ATMs in the STL area.

    Find an ATM
  • Home Page (2020)

    Save time. Apply online.

    Skip the trip. Apply for a loan from the comfort of your home and receive a quick decision.

    Apply for a Loan
  • Home Page (2020)

    Make saving automatic

    Need more change in your piggy bank? Our Spend to Save program makes it easy and automatic.

    Start Saving

Helping you and our communities.
It’s our job.

Open your account today or ask us how we can help you.


The PPP resumed accepting applications July 6, in response to the Paycheck Protection Program Extension. The new deadline is August 8. Learn more and begin your application