| Localité | Code postal |
|---|---|
| Saunderstown, Washington | 02874 |
| Shannock, Washington | 02875 |
| Slocum, Washington | 02877 |
| South Kingstown, Washington | 02892 |
| Wakefield, Washington | 02879 |
| Watch Hill, Washington | 02891 |
| West Kingston, Washington | 02892 |
| Westerly, Washington | 02891 |
| Wickford, Washington | 02852 |
| Wood River Junction, Washington | 02894 |
| Wyoming, Washington | 02898 |
| Codes postaux en Rhode Island | |
|---|---|
| Washington | Providence |
| Newport | Kent |
| Bristol | |