NOTE: YOU WILL NEED THE FOLLOWING ITEMS TO COMPLETE YOUR APPLICATION: Page 2. 1. Easily link external bank accounts; make bank-to-bank transfers completely online.Here's how to add an external account to make bank-to-bank transfers. Middlesex Savings Bank makes it easy to get in touch. Call 1-877-463-6287 Monday - Friday: am - pm Saturday: am - pm Outside the US: Find the form that you are looking for here. Click on the PDF icon pdf below to select your form. All applicants apply online, using either the Middlesex application through Gateway to Prep Schools (Gateway) or the Standard Application Online (SAO). Middlesex Savings Bank in MA offers convenient account management services for our customers. Learn about mail payments, travel alerts and much more.