64644 is zip code located in Hamilton, Missouri. The population is 3,338, making 64644 the largest zipcode in Hamilton and the largest in Caldwell County.
There are 4 public schools in 64644 with an average Homefacts rating of B+. The total crime rate for Hamilton is moderate , and there are 4 registered sex offenders residing in the zip code 64644. Unemployment in 64644 is moderate.