| Business | Phone |
| A T Cummings School 40 Hermon St, Winthrop 2152 | (617) 846-5543 |
| Winthrop High School 400 Main St, Winthrop 2152 | (617) 846-5506 |
| Winthrop Middle School 151 Pauline St, Winthrop 2152 | (617) 846-5507 |
| Arthur W Dalrymple School 101 Kennedy Dr, Winthrop 2152 | (617) 846-7268 |
| St John's Religious Education 30 Oceanview St, Winthrop 2152 | (617) 846-3100 |
| E B Newton School 45 Pauline St, Winthrop 2152 | (617) 846-5500 |
| N E Willis Elementary School 101 Kennedy Dr, Winthrop 2152 | (617) 846-5509 |
| Excellent Auto School 203 Winthrop St, Winthrop 2152 | (617) 846-7741 |
| Middle School Absence Line 151 Pauline St, Winthrop 2152 | (617) 846-9996 |