Commonwealth Co-operative Bank, Boston Branch Basic Info Reviews Routing Numbers Map & Direction Name: Commonwealth Co-operative Bank, Boston Branch Main Office: No Service: Full Service Brick and Mortar Office Location: 25 Court Street Boston, Massachusetts 02108 Suffolk County View other branches Phone: 617-227-2298 Please enable JavaScript to view the comments powered by Disqus. Routing NumberProcess ACH TransferProcess Wire Transfer211070256YY211072885YY211384641YN From: To: