First Interstate Bank, Laurel Branch Basic Info Reviews Routing Numbers Map & Direction Name: First Interstate Bank, Laurel Branch Main Office: No Service: Full Service Brick and Mortar Office Location: 401 Se 4th Street Laurel, Montana 59044 Yellowstone County View other branches Phone: 406-628-2200 Please enable JavaScript to view the comments powered by Disqus. Routing NumberProcess ACH TransferProcess Wire Transfer092901272YN092901641YN092901683YY102300129YN From: To: