| Locality | Post Code |
|---|---|
| Somerville, Saint Lawrence | 13642 |
| South Colton, Saint Lawrence | 13687 |
| South Edwards, Saint Lawrence | 13635 |
| South Russell, Saint Lawrence | 13684 |
| Star Lake, Saint Lawrence | 13690 |
| Waddington, Saint Lawrence | 13694 |
| Wanakena, Saint Lawrence | 13695 |
| West Parishville, Saint Lawrence | 13676 |
| West Pierrepont, Saint Lawrence | 13617 |
| West Potsdam, Saint Lawrence | 13676 |
| West Stockholm, Saint Lawrence | 13696 |
| Winthrop, Saint Lawrence | 13697 |
| Yaleville, Saint Lawrence | 13668 |