| Uninum | Name | Address 1 | Address 2 | City | County | Established | Accquired | | 10221 | Watertown Savings Bank | 111 Clinton St | Watertown-Fort Drum, NY 13601 | Watertown | Jefferson | 01/01/1894 | |
| 214929 | ALEXANDRIA BAY BRANCH | 4 Market St | Watertown-Fort Drum, NY 13607 | Alexandria Bay | Jefferson | 04/06/1998 | 06/13/2008 |
| 236404 | STATE STREET BRANCH | 1816 State Street | Watertown-Fort Drum, NY 13601 | Watertown | Jefferson | 11/04/1963 | 12/31/1999 |
| 236405 | ADAMS BRANCH | 10729 Us Route 11 | Watertown-Fort Drum, NY 13605 | Adams | Jefferson | 11/07/1966 | 12/31/1999 |
| 236406 | WATERTOWN BRANCH | 101 Commerce Park Dr | Watertown-Fort Drum, NY 13601 | Watertown | Jefferson | 12/04/1989 | 12/31/1999 |
| 236408 | CLINTON STREET BRANCH | 140 Clinton St | Watertown-Fort Drum, NY 13601 | Watertown | Jefferson | 09/04/1996 | 12/31/1999 |
| 236409 | SACKETS HARBOR BRANCH | 100 West Main Street | Watertown-Fort Drum, NY 13685 | Sackets Harbor | Jefferson | 12/14/1998 | 12/31/1999 |
| 453561 | CLAYTON JAMES ST BRANCH | 352 James St | Watertown-Fort Drum, NY 13624 | Clayton | Jefferson | 09/19/2005 | 06/13/2008 |
| 467790 | CHAUMONT BRANCH | 12221 Nys Route 12e | Watertown-Fort Drum, NY 13622 | Chaumont | Jefferson | 08/01/2007 | 12/31/1999 |
| 480762 | WSB MUNICIPAL BANK BRANCH | 111 Clinton St | Watertown-Fort Drum, NY 13601 | Watertown | Jefferson | 06/30/2008 | 12/31/1999 |
