United Bank of Iowa, Onawa Branch Basic Info Reviews Routing Numbers Map & Direction Name: United Bank of Iowa, Onawa Branch Main Office: No Service: Full Service Brick and Mortar Office Location: 21945 State Highway 175 Onawa, Iowa 51040 Monona County View other branches Phone: 712-452-2291 Please enable JavaScript to view the comments powered by Disqus. Routing NumberProcess ACH TransferProcess Wire Transfer073902287YY073907091YN073908278YN073912073YN073914822YN073921433YY073921569YN From: To:
