| Post Office | Authorized to issue & pay money orders | Discontinued for the winter | County Seat | No. of rural routes emanating therefrom | Can issue international money orders | County |
| Zander | -- | -- | -- | -- | -- | Manitowoc |
| Zanoni | -- | -- | -- | -- | -- | Juneau |
| Zenda | -- | -- | -- | -- | -- | Walworth |