1.800.545.0172

  • Website Options



  • GNB and Ackley State Bank (ASB) have merged

Why GNB Bank

Why Us?

We want to be your bank! Learn why GNB has what it takes to earn and keep your financial business. Learn More

Go Club

Go Club

Adventure awaits with
GNB’s Go Club. Join us as
we travel near and far on
fun-filled trips!
Learn more!

What's New at GNB

What's New

Find the latest news, events, consumer alerts and more all in one convenient place.
Learn more!

Mortgage Center

Mortgage Center

Apply ONLINE for a GNB Home Loan today. GNB puts the "home" in hometown banking.
Learn more!