East Boston Savings Bank, South End Branch Basic Info Reviews Routing Numbers Map & Direction Name: East Boston Savings Bank, South End Branch Main Office: No Service: Full Service Brick and Mortar Office Location: 1134 Washington Street Boston, Massachusetts 02118 Suffolk County View other branches Please enable JavaScript to view the comments powered by Disqus. Routing NumberProcess ACH TransferProcess Wire Transfer211070023YN211070120YY211070243YN From: To: