GNB Bank, Iowa Falls Downtown Branch Basic Info Reviews Routing Numbers Map & Direction Name: GNB Bank, Iowa Falls Downtown Branch Main Office: No Service: Full Service Brick and Mortar Office Location: 315 Main Street Iowa Falls, Iowa 50126 Hardin County View other branches Phone: 641-648-3761 Please enable JavaScript to view the comments powered by Disqus. Routing NumberProcess ACH TransferProcess Wire Transfer073905064YY073905352YN073921970YN From: To:
