64646 is zip code located in Humphreys, Missouri. The population is 428, making 64646 the largest zipcode in Humphreys and the 4th largest in Sullivan County.
There are 1 public schools in 64646 with an average Homefacts rating of B-. , and there are 2 registered sex offenders residing in the zip code 64646. Unemployment in 64646 is moderate.