North Shore Bank, a Co-operative Bank, Merrimac Branch Basic Info Reviews Routing Numbers Map & Direction Name: North Shore Bank, a Co-operative Bank, Merrimac Branch Main Office: No Service: Full Service Brick and Mortar Office Location: 1 West Main Street Merrimac, Massachusetts 01860 Essex County View other branches Phone: 978-346-8661 Please enable JavaScript to view the comments powered by Disqus. Routing NumberProcess ACH TransferProcess Wire Transfer211370697YN211371298YY211374062YN From: To: