Bank of Guam, Andersen Facility Basic Info Reviews Routing Numbers Map & Direction Name: Bank of Guam, Andersen Facility Main Office: No Service: Full Service Brick and Mortar Office Location: Building 25006 Andersen Airforce Base Yigo, Guam 96929 Guam County View other branches Please enable JavaScript to view the comments powered by Disqus. Routing NumberProcess ACH TransferProcess Wire Transfer121040169YY121405115YY From: To: