21531 is zip code located in Friendsville, Maryland. The population is 2,239, making 21531 the largest zipcode in Friendsville and the 4th largest in Garrett County.
There are 1 public schools in 21531 with an average Homefacts rating of B-. , and there are 4 registered sex offenders residing in the zip code 21531. Unemployment in 21531 is very high.