Below is a list of Oyster Bay NY zip codes. For your research we have also included Oyster Bay Area Code, Time Zone, UTC and the local Nassau County FIPS Code. Each Oyster Bay New York zip code has a center Longitude / Latitude point (the Oyster Bay center is -73.532302856445 / 40.865600585938). For your convenience we have also indicated if that zip code in Oyster Bay observes Daylight Savings time.