Northstar Bank, Johnstown Branch Basic Info Reviews Routing Numbers Map & Direction Name: Northstar Bank, Johnstown Branch Main Office: No Service: Full Service Brick and Mortar Office Location: 10 Angrove Avenue Johnstown, Colorado 80534 Weld County View other branches Phone: 970-587-2160 Please enable JavaScript to view the comments powered by Disqus. Routing NumberProcess ACH TransferProcess Wire Transfer102104419YN107003463YY111903559YN111904817YY114925026YN From: To: