21133 is zip code located in Randallstown, Maryland. The population is 29,896, making 21133 the largest zipcode in Randallstown and the 10th largest in Baltimore County.
There are 5 public schools in 21133 with an average Homefacts rating of C+. , and there are 32 registered sex offenders residing in the zip code 21133. Unemployment in 21133 is moderate.