13603 is zip code located in Watertown, New York. The population is 10,386, making 13603 the 2nd largest zipcode in Watertown and the 3rd largest in Jefferson County.
There are 0 public schools in 13603 with an average Homefacts rating of NA. The total crime rate for Watertown is high , and there are 0 registered sex offenders residing in the zip code 13603. Unemployment in 13603 is very high.
Zip codes within Watertown include 13601.