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| Zip Code | State | Type | County | City | Area Code |
|---|---|---|---|---|---|
| Search for a ZIP code to see details | |||||
| County | ZIP Code | Major City | Type | Area Code |
|---|---|---|---|---|
| Jefferson | 53036 | Ixonia | Standard | |
| Jefferson | 53038 | Johnson Creek | Standard | 920 |
| Jefferson | 53094 | Watertown, Johnson Creek | Standard | 920 |
| Jefferson | 53137 | Helenville | Standard | |
| Jefferson | 53156 | Palmyra | Standard | 262 |
| Jefferson | 53178 | Sullivan | Standard | 262 |
| Jefferson | 53538 | Fort Atkinson | Standard | 262 920 |
| Jefferson | 53549 | Jefferson | Standard | 920 |
| Jefferson | 53551 | Lake Mills | Standard | 920 |
| Jefferson | 53594 | Waterloo | Standard | 920 |