66203 is zip code located in Shawnee, Kansas. The population is 19,510, making 66203 the 2nd largest zipcode in Shawnee and the 10th largest in Johnson County.
There are 4 public schools in 66203 with an average Homefacts rating of B. , and there are 46 registered sex offenders residing in the zip code 66203. Unemployment in 66203 is low.