21040 is zip code located in Edgewood, Maryland. The population is 24,282, making 21040 the largest zipcode in Edgewood and the 4th largest in Harford County.
There are 4 public schools in 21040 with an average Homefacts rating of C+. , and there are 62 registered sex offenders residing in the zip code 21040. Unemployment in 21040 is moderate.
Zip codes within Edgewood include 21010.