20640 is zip code located in Indian Head, Maryland. The population is 9,945, making 20640 the largest zipcode in Indian Head and the 5th largest in Charles County.
There are 5 public schools in 20640 with an average Homefacts rating of C+. , and there are 17 registered sex offenders residing in the zip code 20640. Unemployment in 20640 is very high.