21222 is zip code located in Dundalk, Maryland. The population is 55,163, making 21222 the largest zipcode in Dundalk and the 3rd largest in Baltimore County.
There are 0 public schools in 21222 with an average Homefacts rating of C+. , and there are 148 registered sex offenders residing in the zip code 21222. Unemployment in 21222 is moderate.