58257 is zip code located in Mayville, North Dakota. The population is 1,831, making 58257 the largest zipcode in Mayville and the 2nd largest in Traill County.
There are 3 public schools in 58257 with an average Homefacts rating of B. , and there are 2 registered sex offenders residing in the zip code 58257. Unemployment in 58257 is low.