Union State Bank of Hazen, Union State Bank Of Hazen Basic Info Reviews Routing Numbers Map & Direction Name: Union State Bank of Hazen, Union State Bank Of Hazen Main Office: Yes Service: Full Service Brick and Mortar Office Location: 209 Central Avenue, N.W. Hazen, North Dakota 58545 Mercer County View other branches Phone: 701-748-2233 Please enable JavaScript to view the comments powered by Disqus. Routing NumberProcess ACH TransferProcess Wire Transfer091302788YY091311135YN From: To: