School districts and code numbers - Westchester County
| Name | Code number |
|---|---|
| Ardsley | 019 |
| Bedford | 042 |
| Blind Brook | 535 |
| Briarcliff Manor | 061 |
| Bronxville | 069 |
| Byram Hills | 023 |
| Chappaqua | 100 |
| Croton-Harmon | 136 |
| Dobbs Ferr | 147 |
| Eastchester | 169 |
| Edgemont | 172 |
| Elmsford | 185 |
| Greenburgh Central 7 | 237 |
| Harrison | 260 |
| Hastings-on-Hudson | 263 |
| Hendrick Hudson | 267 |
| Irvington | 301 |
| Katonah-Lewisboro | 316 |
| Lakeland | 331 |
| Mamaroneck | 367 |
| Mount Pleasant | 417 |
| Mount Vernon | 416 |
| New Rochelle | 428 |
| North Salem | 447 |
| Ossining | 471 |
| Peekskill | 485 |
| Pelham | 486 |
| Pleasantville | 504 |
| Pocantico Hills | 505 |
| Port Chester | 508 |
| Putnam Valley | 518 |
| Rye | 551 |
| Rye Neck | 552 |
| Scarsdale | 567 |
| Somers | 594 |
| Tarrytowns | 633 |
| Tuckahoe Union Free | 644 |
| Valhalla | 654 |
| White Plains | 699 |
| Yonkers | 715 |
| Yorktown | 717 |
Updated: