| Ortschaft | Postleitzahl |
|---|---|
| Alden, Saint Croix | 54017 |
| Baldwin, Saint Croix | 54002 |
| Boardman, Saint Croix | 54016 |
| Burkhardt, Saint Croix | 54016 |
| Cady, Saint Croix | 54027 |
| Cylon, Saint Croix | 54017 |
| Deer Park, Saint Croix | 54007 |
| Emerald, Saint Croix | 54013 |
| Erin, Saint Croix | 54017 |
| Erin Prairie, Saint Croix | 54002 |
| Glenwood City, Saint Croix | 54013 |
| Hammond, Saint Croix | 54015 |
| Hersey, Saint Croix | 54027 |
| Houlton, Saint Croix | 54082 |
| Hudson, Saint Croix | 54016 |
| Huntington, Saint Croix | 54017 |
| Jewett, Saint Croix | 54017 |
| New Johannesburg, Saint Croix | 54017 |
| New Richmond, Saint Croix | 54017 |
| North Hudson, Saint Croix | 54016 |
| Pleasant Valley, Saint Croix | 54015 |
| Roberts, Saint Croix | 54023 |
| Rush River, Saint Croix | 54002 |
| Slag Pile, Saint Croix | 54028 |
| Somerset, Saint Croix | 54025 |
| Stanton, Saint Croix | 54017 |