Institution for Savings in Newburyport and Its Vicinity, Newburyport High School Branch Basic Info Reviews Routing Numbers Map & Direction Name: Institution for Savings in Newburyport and Its Vicinity, Newburyport High School Branch Main Office: No Service: 99 Location: 241 High Street Newburyport, Massachusetts 01950 Essex County View other branches Phone: 978-462-3106 Please enable JavaScript to view the comments powered by Disqus. Routing NumberProcess ACH TransferProcess Wire Transfer011305260YY211370082YY211370943YY From: To: