52133 is zip code located in Castalia, Iowa. The population is 575, making 52133 the largest zipcode in Castalia and the 6th largest in Winneshiek County.
There are 0 public schools in 52133 with an average Homefacts rating of NA. , and there are 1 registered sex offenders residing in the zip code 52133. Unemployment in 52133 is low.