51010 is zip code located in Castana, Iowa. The population is 313, making 51010 the largest zipcode in Castana and the 7th largest in Monona County.
There are 0 public schools in 51010 with an average Homefacts rating of NA. , and there are 0 registered sex offenders residing in the zip code 51010. Unemployment in 51010 is low.