| Locality | Post Code |
|---|---|
| Saint Croix Beach, Washington | 55043 |
| Saint Marys Point, Washington | 55043 |
| Saint Paul, Washington | 55115, 55125, 55128, 55129 |
| Saint Paul Park, Washington | 55071 |
| Scandia, Washington | 55073 |
| Stillwater, Washington | 55082 |
| West Lakeland, Washington | 55082 |
| White Bear Lake, Washington | 55115 |
| Willernie, Washington | 55090 |
| Woodbury, Washington | 55125 |