Tri Counties Bank, Elk Grove Branch Basic Info Reviews Routing Numbers Map & Direction Name: Tri Counties Bank, Elk Grove Branch Main Office: No Service: Full Service Retail Office Location: 4900 Elk Grove Boulevard Elk Grove, California 95758 Sacramento County View other branches Phone: 916-478-9102 Please enable JavaScript to view the comments powered by Disqus. Routing NumberProcess ACH TransferProcess Wire Transfer121132394YY121135045YY121141738NY121142313YY121142766NY121143422YN From: To: