55940 is zip code located in Hayfield, Minnesota. The population is 2,647, making 55940 the largest zipcode in Hayfield and the 5th largest in Dodge County.
There are 2 public schools in 55940 with an average Homefacts rating of B. , and there are 0 registered sex offenders residing in the zip code 55940. Unemployment in 55940 is low.