20639 is zip code located in Huntingtown, Maryland. The population is 14,442, making 20639 the largest zipcode in Huntingtown and the 2nd largest in Calvert County.
There are 4 public schools in 20639 with an average Homefacts rating of A+. , and there are 10 registered sex offenders residing in the zip code 20639. Unemployment in 20639 is moderate.