63301 is zip code located in St. Charles, Missouri. The population is 49,478, making 63301 the largest zipcode in St. Charles and the 2nd largest in St. Charles County.
There are 16 public schools in 63301 with an average Homefacts rating of B+. , and there are 71 registered sex offenders residing in the zip code 63301. Unemployment in 63301 is low.