Bank of Guam, Upper Tumon Branch Basic Info Reviews Routing Numbers Map & Direction Name: Bank of Guam, Upper Tumon Branch Main Office: No Service: Full Service Brick and Mortar Office Location: 718 North Marine Drive Barrigada, Guam 96913 Guam County View other branches Please enable JavaScript to view the comments powered by Disqus. Routing NumberProcess ACH TransferProcess Wire Transfer121040169YY121405115YY From: To: