Union Bank and Trust Company, Seward Branch Basic Info Reviews Routing Numbers Map & Direction Name: Union Bank and Trust Company, Seward Branch Main Office: No Service: Full Service Brick and Mortar Office Location: 220 South 4th Street Seward, Nebraska 68434 Seward County View other branches Phone: 402-643-2954 Please enable JavaScript to view the comments powered by Disqus. Routing NumberProcess ACH TransferProcess Wire Transfer104910795YY104914157YN104914160YN From: To: