Listing
Zip Codes by County
(JEFFERSON County, Wisconsin Zip Codes)
| Zip Code | City | County | State | Area Code | Time Zone | DST | Latitude | Longitude |
| 53036 | Ixonia | JEFFERSON | WI | 262/920 | CST | Y | 43.173735 | -88.577658 |
| 53038 | Johnson Creek | JEFFERSON | WI | 920 | CST | Y | 43.092552 | -88.785758 |
| 53094 | Johnson Creek | JEFFERSON | WI | 920 | CST | Y | 43.132397 | -88.726081 |
| 53094 | Watertown | JEFFERSON | WI | 920 | CST | Y | 43.132397 | -88.726081 |
| 53137 | Helenville | JEFFERSON | WI | 262/920 | CST | Y | 43.005844 | -88.667483 |
| 53156 | Palmyra | JEFFERSON | WI | 262 | CST | Y | 42.890247 | -88.599976 |
| 53178 | Sullivan | JEFFERSON | WI | 262 | CST | Y | 43.026028 | -88.602470 |
| 53538 | Fort Atkinson | JEFFERSON | WI | 262/608/920 | CST | Y | 42.919648 | -88.829360 |
| 53549 | Jefferson | JEFFERSON | WI | 262/920 | CST | Y | 42.995766 | -88.762604 |
| 53551 | Lake Mills | JEFFERSON | WI | 920 | CST | Y | 43.084353 | -88.917172 |
| 53594 | Waterloo | JEFFERSON | WI | 920 | CST | Y | 43.166790 | -88.960096 |
