51566 is zip code located in Red Oak, Iowa. The population is 6,961, making 51566 the largest zipcode in Red Oak and the largest in Montgomery County.
There are 5 public schools in 51566 with an average Homefacts rating of C. The total crime rate for Red Oak is moderate , and there are 11 registered sex offenders residing in the zip code 51566. Unemployment in 51566 is low.
Zip codes within Red Oak include 51591.