Stockman Bank of Montana, Helena Branch Basic Info Reviews Routing Numbers Map & Direction Name: Stockman Bank of Montana, Helena Branch Main Office: No Service: Full Service Brick and Mortar Office Location: 5 West Lyndale Avenue Helena, Montana 59601 Lewis And Clark County View other branches Phone: 406-447-9000 Please enable JavaScript to view the comments powered by Disqus. Routing NumberProcess ACH TransferProcess Wire Transfer092902446YN092904570YN092905249YY From: To: