ZIP Code 10521 is located in Croton-on-Hudson New York. 10521 is entirely within Westchester County. Regionally, 10521 is located in Metro New York City.
| ZIP Code Name | Croton-on-Hudson |
| Primary County | Westchester County |
| ZIP Code Type | PO Box |
| Current Time | EDT |
| Coordinates | 41.23374939,-73.91395569 |
| Adjacent ZIP Codes | |
| Region | Metro New York City |
| Metropolitan/Micropolitan Stat Area | New York-Newark-Jersey City, NY-NJ-PA |
| Time Zone | Eastern Daylight Time |
| IANA Timezone | America/New_York |
| School Districts in 10521 | |
| Elementary Schools in 10521 | |
| Middle Schools in 10521 | |
| High Schools in 10521 |