542
- 54201 Algoma
- 54202 Baileys Harbor
- 54204 Brussels
- 54205 Casco
- 54207 Collins
- 54208 Denmark
- 54209 Egg Harbor
- 54210 Ellison Bay
- 54211 Ephraim
- 54212 Fish Creek
- 54213 Forestville
- 54214 Francis Creek
- 54216 Kewaunee
- 54217 Luxemburg
- 54220 Manitowoc
- 54227 Maribel
- 54228 Mishicot
- 54229 New Franken
- 54230 Reedsville
- 54232 Saint Nazianz
- 54234 Sister Bay
- 54235 Sturgeon Bay
- 54241 Two Rivers
- 54245 Valders
- 54246 Washington Island
- 54247 Whitelaw