All Bank Branches in 02421 Leave a Comment / By admin / October 26, 2018 The following banks have branches in 02421: Watertown Savings Bank Watertown Savings Bank-Lexington Branch Webster Bank Webster Bank-Lexington Branch Related posts: All Bank Branches In Lexington, Massachusetts All Bank Branches in 06795 All Bank Branches In Watertown, Connecticut Watertown Savings Bank-Lexington Branch