63645 is zip code located in Fredericktown, Missouri. The population is 11,335, making 63645 the largest zipcode in Fredericktown and the largest in Madison County.
There are 4 public schools in 63645 with an average Homefacts rating of B-. , and there are 66 registered sex offenders residing in the zip code 63645. Unemployment in 63645 is moderate.