Sunflower Bank, Great Bend Office Branch Basic Info Reviews Routing Numbers Map & Direction Name: Sunflower Bank, Great Bend Office Branch Main Office: No Service: Full Service Brick and Mortar Office Location: 3600 10th Street Great Bend, Kansas 67530 Barton County View other branches Phone: 620-792-2181 Please enable JavaScript to view the comments powered by Disqus. Routing NumberProcess ACH TransferProcess Wire Transfer101100621YY101101015YN101102043YN101102849YN101103644YN101910617YN102101425YN102104590YN107000521YN From: To: