63012 is zip code located in Barnhart, Missouri. The population is 10,334, making 63012 the largest zipcode in Barnhart and the 8th largest in Jefferson County.
There are 2 public schools in 63012 with an average Homefacts rating of A. , and there are 28 registered sex offenders residing in the zip code 63012. Unemployment in 63012 is low.