Stockman Bank of Montana, Drive-In Facility Basic Info Reviews Routing Numbers Map & Direction Name: Stockman Bank of Montana, Drive-In Facility Main Office: No Service: Limited Service Facility Office Location: 2nd Avenue S.W. And 2nd Street S.W. Sidney, Montana 59270 Richland County View other branches Phone: 888-669-0724 Please enable JavaScript to view the comments powered by Disqus. Routing NumberProcess ACH TransferProcess Wire Transfer092902446YN092904570YN092905249YY From: To: