ZIP Code 10542 is located in Mahopac Falls New York. Portions of 10542 are also in Mahopac and Carmel (town). 10542 is entirely within Putnam County. Regionally, 10542 is located in the Hudson Valley Region.
| ZIP Code Name | Mahopac Falls |
| Primary County | Putnam County |
| ZIP Code Type | PO Box |
| Area Code(s) | 845 |
| Current Time | EST |
| Coordinates | 41.37441254,-73.76152802 |
| Cities/Towns in 10542 | |
| Region | Hudson Valley Region |
| Metropolitan/Micropolitan Stat Area | New York-Newark-Jersey City, NY-NJ-PA |
| Time Zone | Eastern Standard Time |
| IANA Timezone | America/New_York |
| Area | 0.02948804 Square Miles |
| School Districts in 10542 | |
| Elementary Schools in 10542 | |
| Middle Schools in 10542 | |
| High Schools in 10542 |