Fredonia wi zip code.
Fredonia wi zip code. . Key zip or click on the map. Find directions to 53021, browse local. Best Places to Live in Fredonia (zip 53021), Wisconsin from www.bestplaces.net Zip code 53004 detailed profile. You may also be interested in single family homes and condo/townhomes for sale in popular zip codes. This postal code encompasses addresses in the city of fredonia, wi.