Post Offices List in Watertown City, New York:
| Watertown Post Office | 232 Commerce Park Dr, Watertown, NY 13601 |
| Watertown Post Office | 232 Commerce Park Dr, Watertown, NY 13601 |
| Watertown Post Office | 232 Commerce Park Dr, Watertown, NY 13601 |
| Watertown Post Office | 232 Commerce Park Dr, Watertown, NY 13601 |