Close

Change Preferred Branch

  • ACKLEY
    650 Main St, Box 149 - Ackley

  • CONRAD
    103 E Center St, Box 400 - Conrad

  • GENEVA
    408 Front St - Geneva

  • GRUNDY CENTER
    529 G Ave, Box 246 - Grundy Center

  • GRUNDY CENTER LOAN BANK
    510 F Ave, Box 246 - Grundy Center

  • IOWA FALLS
    315 Main St - Iowa Falls

  • MANCHESTER
    300 E Main St, Box 439 - Manchester

  • MARSHALLTOWN
    2504 S 2nd St, Box 736 - Marshalltown

  • STORY CITY
    629 Broad St, Box 128 - Story City

Menu
  • Grand Canyons & Yellowstone

    Join the Go Club for a DOUBLE feature travel show presentation!

    learn more
  • What's on your horizon?

    Buying your dream home? 100% financing now available!

    learn more
  • ENJOY A DIGITAL WAY TO PAY!

    GNB Debit Card holders can now pay with their digital wallet. We support Apple Pay®,
    Google Pay™, and Samsung Pay®.

    learn more
  • Keeping Perspective in Volatile Markets

    Join us for a complimentary presentation September 18th!

    learn more

Home Page

Home Mortgages Turn Your Dream into Reality!

Learn More

Building a Strong Foundation for Our Community

So much of the success of our communities comes from the hard work and determination of local small business owners and agricultural producers. That's why we offer our support through strong banking and lending services.

See Our Business & Ag Services