First Interstate Bank, Ennis Branch Basic Info Reviews Routing Numbers Map & Direction Name: First Interstate Bank, Ennis Branch Main Office: No Service: Full Service Brick and Mortar Office Location: 118 Williams Street Ennis, Montana 59729 Madison County View other branches Phone: 406-682-3124 Please enable JavaScript to view the comments powered by Disqus. Routing NumberProcess ACH TransferProcess Wire Transfer092901272YN092901641YN092901683YY102300129YN From: To:
