52638 is zip code located in Middletown, Iowa. The population is 429, making 52638 the largest zipcode in Middletown and the 6th largest in Des Moines County.
There are 0 public schools in 52638 with an average Homefacts rating of NA. , and there are 4 registered sex offenders residing in the zip code 52638. Unemployment in 52638 is very high.