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  • 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

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Why GNB Bank?

Locally Owned, Community Focused

Welcome to GNB Bank! GNB is proud to be a locally and employee owned, community bank with a focus on friendly, personal service from people you know and trust. We take care of the communities we serve – families, small businesses, local agriculture – and we care about you! I invite you to sample the financial services we offer, from loans, insurance and investments to the basics like checking and savings. Stop in and see me – my door is always open.

Bob Johanns, GNB Bank President

 

Our Staff

The amazing people in our offices are the driving force behind the service we provide. From ag lenders and real estate professionals to consumer lenders and support staff, we’re all focused on providing the best service possible whenever you call us or stop in at any of our offices.

Find a Staff Member