72840 is zip code located in Hartman, Arkansas. The population is 2,146, making 72840 the largest zipcode in Hartman and the 3rd largest in Johnson County.
There are 1 public schools in 72840 with an average Homefacts rating of D+. , and there are 3 registered sex offenders residing in the zip code 72840. Unemployment in 72840 is very high.