| Localité | Code postal |
|---|---|
| Amawalk, Westchester | 10501 |
| Ardsley, Westchester | 10502 |
| Ardsley on Hudson, Westchester | 10503 |
| Armonk, Westchester | 10504 |
| Baldwin Place, Westchester | 10505 |
| Bedford, Westchester | 10506 |
| Bedford Corners, Westchester | 10549 |
| Bedford Hills, Westchester | 10507 |
| Briarcliff, Westchester | 10510 |
| Briarcliff Manor, Westchester | 10510 |
| Bronxville, Westchester | 10708 |
| Buchanan, Westchester | 10511 |
| Centuck, Westchester | 10710 |
| Chappaqua, Westchester | 10514 |
| Cortlandt Manor, Westchester | 10567 |
| Crompond, Westchester | 10517 |
| Cross River, Westchester | 10518 |
| Croton, Westchester | 10520 |
| Croton Falls, Westchester | 10519 |
| Croton on Hudson, Westchester | 10520 |
| Crotonville, Westchester | 10562 |
| Crugers, Westchester | 10521 |
| Dobbs Ferry, Westchester | 10522 |
| East Irvington, Westchester | 10533 |
| East View, Westchester | 10595 |
| East White Plains, Westchester | 10604 |