| ZIP Code | ZIP Code Place Name | County | ZIP Code Type |
|---|---|---|---|
| 53006 | Brownsville | Dodge County | Standard |
| 53010 | Campbellsport | Fond Du Lac County | Standard |
| 53011 | Cascade | Sheboygan County | Standard |
| 53014 | Chilton | Calumet County | Standard |
| 53019 | Eden | Fond Du Lac County | Standard |
| 53023 | Glenbeulah | Sheboygan County | Standard |
| 53040 | Kewaskum | Washington County | Standard |
| 53049 | Malone | Fond Du Lac County | Standard |
| 53057 | Mount Calvary | Fond Du Lac County | Standard |
| 53065 | Oakfield | Fond Du Lac County | Standard |
| 53079 | Saint Cloud | Fond Du Lac County | Standard |
| 53919 | Brandon | Fond Du Lac County | Standard |
| 53931 | Fairwater | Fond Du Lac County | PO Box |
| 53946 | Markesan | Green Lake County | Standard |
| 53963 | Waupun | Fond Du Lac County | Standard |
| 54932 | Eldorado | Fond Du Lac County | Standard |
| 54935 | Fond Du Lac | Fond Du Lac County | Standard |
| 54936 | Fond du Lac | Fond Du Lac County | PO Box |
| 54937 | Fond Du Lac | Fond Du Lac County | Standard |
| 54964 | Pickett | Winnebago County | Standard |
| 54971 | Ripon | Fond Du Lac County | Standard |
| 54974 | Rosendale | Fond Du Lac County | Standard |
| 54979 | Van Dyne | Fond Du Lac County | Standard |