ZIP Code 13603
Watertown · Jefferson, New York
13603 is the ZIP code of Watertown in Jefferson, New York, United States.
- ZIP Code
- 13603
- County
- Jefferson
- State
- New York
- Country
- United States
Place with ZIP code 13603
| Place | County | Location |
|---|---|---|
| Watertown | Jefferson | 43.909, -75.897 |
Nearby ZIP codes
Frequently asked questions
Which places use ZIP code 13603?
Watertown.
Which county and state is 13603 in?
Jefferson, New York, United States.
Source: GeoNames postal codes (CC BY 4.0), geonames.org, retrieved 2026-10-22. Place coordinates are approximate. Check with the national postal service before sending anything valuable.