Below is a list of Hartsdale NY zip codes. For your research we have also included Hartsdale Area Code, Time Zone, UTC and the local Westchester County FIPS Code. Each Hartsdale New York zip code has a center Longitude / Latitude point (the Hartsdale center is -73.80460357666 / 41.024700164795). For your convenience we have also indicated if that zip code in Hartsdale observes Daylight Savings time.