Watertown zipcode
| City | Watertown |
| ZIP Code | 13603 |
| Type | Standard |
| State Code | NY |
| State | New York |
ZIP code of Watertown is 13603. This place is located in New York state in US. To send any postal service to Watertown, you must use 13603 zipcode.
The ZIP code 13603 is also used with 1 more city name of New York.
- Fort Drum, NY