57656 is zip code located in Timber Lake, South Dakota. The population is 688, making 57656 the largest zipcode in Timber Lake and the 2nd largest in Dewey County.
There are 3 public schools in 57656 with an average Homefacts rating of B-. , and there are 3 registered sex offenders residing in the zip code 57656. Unemployment in 57656 is high.