First International Bank & Trust, Williston Branch Basic Info Reviews Routing Numbers Map & Direction Name: First International Bank & Trust, Williston Branch Main Office: No Service: Full Service Brick and Mortar Office Location: 19 Fourth Street E Williston, North Dakota 58801 Williams County View other branches Phone: 701-774-8321 Please enable JavaScript to view the comments powered by Disqus. Routing NumberProcess ACH TransferProcess Wire Transfer091305031YY091311177YN From: To:
