Post Offices List in Watertown City, Massachusetts:
| East Watertown Post Office | 589 Mount Auburn St, Watertown, MA 02472 |
| New Town Post Office | 123 Galen St, Watertown, MA 02472 |
| Watertown Financial Post Office | 126 Main St, Watertown, MA 02472 |
| East Watertown Post Office | 589 Mount Auburn St, Watertown, MA 02472 |
| New Town Post Office | 123 Galen St, Watertown, MA 02472 |
| Watertown Financial Post Office | 126 Main St, Watertown, MA 02472 |