63631 is zip code located in Caledonia, Missouri. The population is 1,178, making 63631 the largest zipcode in Caledonia and the 6th largest in Washington County.
There are 3 public schools in 63631 with an average Homefacts rating of C-. , and there are 5 registered sex offenders residing in the zip code 63631. Unemployment in 63631 is moderate.