01742 is zip code located in Concord, Massachusetts. The population is 18,309, making 01742 the largest zipcode in Concord.
There are 5 public schools in 01742 with an average Homefacts rating of A. The total crime rate for Concord is low , and there are 2 registered sex offenders residing in the zip code 01742. Unemployment in 01742 is low.