Founded in 1683, Westchester County is one of 62 counties in the state of New York. Historically, Westchester County was one of 12 original counties created in the New York colony. The city of White Plains is the county seat. With FIPS code of 119, Westchester County has a population of 997,895 and area of 500 square miles (1,295 km2).
List of all cities in Westchester County, NY alphabetically
| City/Town | Postal Code | Area Code |
| Amawalk, NY | 10501 | 914 |
| Ardsley, NY | 10502 | 914 |
| Ardsley on Hudson, NY | 10503 | 914 |
| Armonk, NY | 10504 | 914 |
| Baldwin Place, NY | 10505 | 914 |
| Banksville, NY | 10506 | 914 |
| Bedford, NY | 10506 | 914 |
| Bedford Corners, NY | 10549 | 914 |
| Bedford Hills, NY | 10507 | 914 |
| Bedford Village, NY | 10506 | 914 |
| Briarcliff, NY | 10510 | 914 |
| Briarcliff Manor, NY | 10510 | 914 |
| Bronxville, NY | 10708 | 914 |
| Buchanan, NY | 10511 | 914 |
| Centuck, NY | 10710 | 914 |
| Chappaqua, NY | 10514 | 914 |
| Chauncey, NY | 10502 | 914 |
| Cortlandt Manor, NY | 10567 | 914 |
| Crompond, NY | 10517 | 914 |
| Cross River, NY | 10518 | 914 |
| Croton Falls, NY | 10519 | 914 |
| Croton Hudson, NY | 10520 | 914 |
| Croton on Hudson, NY | 10520 | 914 |
| 10521 | 914 | |
| Crotonville, NY | 10562 | 914 |
| Crugers, NY | 10521 | 914 |
| Dobbs Ferry, NY | 10522 | 914 |
| East Irvington, NY | 10533 | 914 |
| East View, NY | 10595 | 914 |
| East White Plns, NY | 10604 | 914 |
| Eastchester, NY | 10707 | 914 |
| 10709 | 914 | |
| Edgemont, NY | 10583 | 914 |
| Elmsford, NY | 10523 | 914 |
| Fleetwood, NY | 10552 | 914 |
| Gedney, NY | 10605 | 914 |
| Goldens Bridge, NY | 10526 | 914 |
| Granite Springs, NY | 10527 | 914 |
| Greenburgh, NY | 10607 | 914 |
| Harrison, NY | 10528 | 914 |
| Hartsdale, NY | 10530 | 914 |
| Hastings on Hudson, NY | 10706 | 914 |
| Hawthorne, NY | 10532 | 914 |
| Heathcote, NY | 10583 | 914 |
| Irvington, NY | 10533 | 914 |
| Irvington on Hudson, NY | 10533 | 914 |
| Jefferson Valley, NY | 10535 | 914 |
| Katonah, NY | 10536 | 914 |
| Kitchawan, NY | 10562 | 914 |
| Lake Katonah, NY | 10536 | 914 |
| Lake Kitchawan, NY | 10590 | 914 |
| Lake Mohegan, NY | 10547 | 914 |
| Larchmont, NY | 10538 | 914 |
| Lewisboro, NY | 10590 | 914 |
| Lincolndale, NY | 10540 | 914 |
| Mamaroneck, NY | 10543 | 914 |
| Maryknoll, NY | 10545 | 914 |
| Millwood, NY | 10546 | 914 |
| Mohegan Lake, NY | 10547 | 914 |
| Montrose, NY | 10548 | 914 |
| Mount Kisco, NY | 10549 | 914 |
| Mount Vernon, NY | 10550 | 914 |
| 10551 | 914 | |
| 10552 | 914 | |
| 10553 | 914 | |
| New Rochelle, NY | 10801 | 914 |
| 10802 | 914 | |
| 10803 | 914 | |
| 10804 | 914 | |
| 10805 | 914 | |
| North Castle, NY | 10504 | 914 |
| North Salem, NY | 10560 | 914 |
| North Tarrytown, NY | 10591 | 914 |
| North White Plns, NY | 10603 | 914 |
| Ossining, NY | 10562 | 914 |
| Peekskill, NY | 10566 | 914 |
| Pelham, NY | 10803 | 914 |
| Pelham Manor, NY | 10803 | 914 |
| Philipse Manor, NY | 10591 | 914 |
| Pleasantville, NY | 10570 | 914 |
| 10571 | 914 | |
| 10572 | 914 | |
| Pocantico Hills, NY | 10591 | 914 |
| Port Chester, NY | 10573 | 914 |
| Portchester, NY | 10573 | 914 |
| Pound Ridge, NY | 10576 | 914 |
| Purchase, NY | 10577 | 914 |
| Purdy Station, NY | 10578 | 914 |
| Purdys, NY | 10578 | 914 |
| Readers Digest, NY | 10571 | 914 |
| Readers Digest, NY | 10572 | 914 |
| Rye, NY | 10580 | 914 |
| Rye Brook, NY | 10573 | 914 |
| Scarborough, NY | 10510 | 914 |
| Scarsdale, NY | 10583 | 914 |
| Scarsdale Park, NY | 10583 | 914 |
| Scotts Corners, NY | 10576 | 914 |
| Shenorock, NY | 10587 | 914 |
| Shrub Oak, NY | 10588 | 914 |
| Sleepy Hollow, NY | 10591 | 914 |
| Sleepy Hollow Manor, NY | 10591 | 914 |
| Somers, NY | 10589 | 914 |
| Somers Town, NY | 10589 | 914 |
| South Salem, NY | 10590 | 914 |
| Tarrytown, NY | 10591 | 914 |
| Thornwood, NY | 10594 | 914 |
| Tuckahoe, NY | 10707 | 914 |
| Valhalla, NY | 10595 | 914 |
| Verplanck, NY | 10596 | 914 |
| Waccabuc, NY | 10597 | 914 |
| West Harrison, NY | 10604 | 914 |
| Westchester County Airport, NY | 10604 | 914 |
| White Plns, NY | 10601 | 914 |
| 10602 | 914 | |
| 10603 | 914 | |
| 10604 | 914 | |
| 10605 | 914 | |
| 10606 | 914 | |
| 10607 | 914 | |
| 10610 | 914 | |
| Yonkers, NY | 10701 | 914 |
| 10702 | 914 | |
| 10703 | 914 | |
| 10704 | 914 | |
| 10705 | 914 | |
| 10706 | 914 | |
| 10707 | 914 | |
| 10708 | 914 | |
| 10709 | 914 | |
| 10710 | 914 | |
| 10598 | 914 | |
| Yorktown Heights, NY | 10598 | 914 |