Welcome to GNB Bank! GNB is proud to be a locally owned, community bank, with a focus on Grundy County. 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 and C.O.O.

Board of Directors

Front row: (l to r) Stefanie Rohler, Bob Johanns, Mark Sexton and Randy Phelps
Back row: Kevin Swalley, Kirby Schmidt, Jerry Bakker and Mike Freed

Meet Our Team

Since 1934, through the many ups and downs this state and country have faced, GNB has remained a strong and dependable friend and business partner in the community. See GNB for all of your banking and financial needs. Let our banking experts work for you.

Grundy Center Location 529 G Avenue P.O. Box 246 Grundy Center, IA 50638 Phone: 319-824-5431 Toll Free: 800-545-0172

Conrad Location 103 E Center Street P.O. Box 400 Conrad, IA 50621-0400 Phone: 641-366-3898 Toll Free: 866-456-3898

** Please be aware that email is not on a secure server and confidential information, such as, account numbers, balances and personal identification should not be included in an email.

Meet Our Team

Since 1934, through the many ups and downs this state and country have faced, GNB has remained a strong and dependable friend and business partner in the community. See GNB for all of your banking and financial needs. Let our banking experts work for you.