First Interstate Bank, Valley Bank Of Belgrade Branch Basic Info Reviews Routing Numbers Map & Direction Name: First Interstate Bank, Valley Bank Of Belgrade Branch Main Office: No Service: Full Service Brick and Mortar Office Location: 100 North Broadway Belgrade, Montana 59714 Gallatin County View other branches Phone: 406-837-1600 Please enable JavaScript to view the comments powered by Disqus. Routing NumberProcess ACH TransferProcess Wire Transfer092901272YN092901641YN092901683YY102300129YN From: To: