| Uninum | Name | Address 1 | Address 2 | City | County | Established | Accquired | | 17802 | Hingham Institution for Savings | 55 Main St | Boston-Cambridge-Newton, MA-NH 02043 | Hingham | Plymouth | 04/02/1834 | |
| 291191 | NANTASKET AVENUE BRANCH | 401 Nantasket Ave | Boston-Cambridge-Newton, MA-NH 02045 | Hull | Plymouth | 06/28/1976 | 12/31/1999 |
| 291193 | DRIVE-IN BRANCH | 71 Main St | Boston-Cambridge-Newton, MA-NH 02043 | Hingham | Plymouth | 12/01/1973 | 12/31/1999 |
| 291195 | COHASSET BRANCH | 13 Elm St | Boston-Cambridge-Newton, MA-NH 02025 | Cohasset | Norfolk | 12/11/1995 | 12/31/1999 |
| 432650 | LINDEN PONDS BRANCH | 300 Linden Ponds Way | Boston-Cambridge-Newton, MA-NH 02043 | Hingham | Plymouth | 10/18/2004 | 12/31/1999 |
| 455425 | BOSTON BRANCH | 540 Tremont St | Boston-Cambridge-Newton, MA-NH 02116 | Boston | Suffolk | 10/02/2006 | 12/31/1999 |
| 542458 | NANTUCKET BRANCH | 35 Main St | 02554 | Nantucket | Nantucket | 08/19/2013 | 12/31/1999 |
| 557553 | MAIN OFFICE ADMINISTRATION BRANCH | 49 Main St | Boston-Cambridge-Newton, MA-NH 02043 | Hingham | Plymouth | 08/01/2013 | 12/31/1999 |
| 658923 | WASHINGTON D.C. BRANCH | 1061 Thomas Jefferson St Nw | Washington-Arlington-Alexandria, DC-VA-MD-WV 20007 | Washington | District Of Columbia | 06/26/2023 | 12/31/1999 |
| 668266 | THOMAS JEFFERSON BRANCH | 1061 Thomas Jefferson St., Nw | Washington-Arlington-Alexandria, DC-VA-MD-WV 20007 | Washington | District Of Columbia | 06/26/2023 | 12/31/1999 |
