Below is a list of Ronkonkoma NY zip codes. For your research we have also included Ronkonkoma Area Code, Time Zone, UTC and the local Suffolk County FIPS Code. Each Ronkonkoma New York zip code has a center Longitude / Latitude point (the Ronkonkoma center is -73.124099731445 / 40.806400299072). For your convenience we have also indicated if that zip code in Ronkonkoma observes Daylight Savings time.