63033 is zip code located in Florissant, Missouri. The population is 41,502, making 63033 the 2nd largest zipcode in Florissant and the 4th largest in St. Louis County.
There are 12 public schools in 63033 with an average Homefacts rating of C-. , and there are 91 registered sex offenders residing in the zip code 63033. Unemployment in 63033 is moderate.