| Locality | Post Code |
|---|---|
| Scarsdale, Westchester | 10530, 10583 |
| Scarsdale Park, Westchester | 10583 |
| Scotts Corners, Westchester | 10576 |
| Shenorock, Westchester | 10587 |
| Shrub Oak, Westchester | 10588 |
| Sleepy Hollow, Westchester | 10591 |
| Sleepy Hollow Manor, Westchester | 10591 |
| Somers, Westchester | 10589 |
| Somers Town, Westchester | 10589 |
| South Salem, Westchester | 10590 |
| Tarrytown, Westchester | 10591 |
| Thornwood, Westchester | 10594 |
| Tuckahoe, Westchester | 10707 |
| Valhalla, Westchester | 10595 |
| Verplanck, Westchester | 10596 |
| Waccabuc, Westchester | 10597 |
| West Harrison, Westchester | 10604 |
| White Plains, Westchester | 10601, 10602, 10603, 10604, 10605, … |
| Wykagyl, Westchester | 10804 |
| Yonkers, Westchester | 10701, 10703, 10704, 10705, 10707, … |
| Yorktown, Westchester | 10598 |
| Yorktown Heights, Westchester | 10598 |