Below is a list of Seaford NY zip codes. For your research we have also included Seaford Area Code, Time Zone, UTC and the local Nassau County FIPS Code. Each Seaford New York zip code has a center Longitude / Latitude point (the Seaford center is -73.492500305176 / 40.66540145874). For your convenience we have also indicated if that zip code in Seaford observes Daylight Savings time.