| Locality | Post Code |
|---|---|
| Lake Stockholm, Sussex | 07460 |
| Lake Tamarack, Sussex | 07460 |
| Layton, Sussex | 07851 |
| McAfee, Sussex | 07428 |
| Middleville, Sussex | 07855 |
| Montague, Sussex | 07827 |
| Newton, Sussex | 07860 |
| Ogdensburg, Sussex | 07439 |
| Sandyston, Sussex | 07826, 07827, 07851 |
| Silver Lake, Sussex | 07460 |
| Sparta, Sussex | 07871 |
| Stanhope, Sussex | 07874 |
| Stillwater, Sussex | 07875 |
| Stockholm, Sussex | 07460 |
| Sussex, Sussex | 07461 |
| Swartswood, Sussex | 07877 |
| Tranquility, Sussex | 07879 |
| Vernon, Sussex | 07462 |
| Wallkill Lake, Sussex | 07461 |
| Wallpack Center, Sussex | 07881 |
| Wantage, Sussex | 07461 |