Change Preferred Branch

    650 Main St, Box 149 - Ackley

    103 E Center St, Box 400 - Conrad

    408 Front St - Geneva

    529 G Ave, Box 246 - Grundy Center

    510 F Ave, Box 246 - Grundy Center

    315 Main St - Iowa Falls

    300 E Main St, Box 439 - Manchester

    2504 S 2nd St, Box 736 - Marshalltown

    629 Broad St, Box 128 - Story City


Credit Cards

Credit Card App Features

With our iPhone® or Android® credit card app, you have on-the-go access to your GNB credit card including:

  • Access to credit card specialists at GNB Bank for questions, to add travel alerts, to assist with disputes or fraud or even to adjust your credit limit.
  • Making payments at any GNB location.
  • Online statement access at
  • ScoreCard Rewards program - earn 1 point for every dollar charged. Points may be redeemed for merchandise or travel.
  • Redeem2Erase allows you to redeem your reward points to erase recent transactions ranging from $20-$1000.

Simply search ‘GNB Bank credit card app’ in your App Store and keep track of your balance, expenses, and more at your convenience! After you’ve downloaded the app, enter the same username, password and security question answers that you use for

External Link to Google Play Store External link to download on the App Store

Build Your Credit & Earn Rewards

Check Out Your Rewards!Your personal credit history is a vital part of your finances throughout life. A personal credit card not only helps you build up your credit, but also provides additional purchasing power and a chance to earn rewards!


MasterCard® Credit Card

  • Build up your credit and get local service with a GNB credit card.
  • You not only get worldwide access to credit, but this card comes with a competitive interest rate and no annual fee.
  • You also get the peace of mind knowing that help with questions or issues only requires a call to your local GNB Bank office.

Visa® and Visa Gold® Credit Cards

  • Get rewarded for your credit card purchases!
  • For every dollar you spend on gas, groceries and other essentials, you get 1 reward point to redeem for shopping, food, travel and other amazing rewards.
  • You also get a competitive variable interest rate without having to pay an annual fee. What’s not to love?

Stop by your nearest GNB Bank office to apply for your personal credit card today!

Credit Card Debt Payoff Calculator