Below is a list of Southold NY zip codes. For your research we have also included Southold Area Code, Time Zone, UTC and the local Suffolk County FIPS Code. Each Southold New York zip code has a center Longitude / Latitude point (the Southold center is -72.429000854492 / 41.058399200439). For your convenience we have also indicated if that zip code in Southold observes Daylight Savings time.