| ZIP Code | ZIP Code Place Name | County | ZIP Code Type |
|---|---|---|---|
| 53036 | Ixonia | Jefferson County | Standard |
| 53038 | Johnson Creek | Jefferson County | Standard |
| 53066 | Oconomowoc | Waukesha County | Standard |
| 53094 | Watertown | Jefferson County | Standard |
| 53118 | Dousman | Waukesha County | Standard |
| 53119 | Eagle | Waukesha County | Standard |
| 53137 | Helenville | Jefferson County | Standard |
| 53156 | Palmyra | Jefferson County | Standard |
| 53178 | Sullivan | Jefferson County | Standard |
| 53190 | Whitewater | Walworth County | Standard |
| 53523 | Cambridge | Dane County | Standard |
| 53534 | Edgerton | Rock County | Standard |
| 53538 | Fort Atkinson | Jefferson County | Standard |
| 53549 | Jefferson | Jefferson County | Standard |
| 53551 | Lake Mills | Jefferson County | Standard |
| 53559 | Marshall | Dane County | Standard |
| 53563 | Milton | Rock County | Standard |
| 53594 | Waterloo | Jefferson County | Standard |