Below is a list of Lake Ronkonkoma NY zip codes. For your research we have also included Lake Ronkonkoma Area Code, Time Zone, UTC and the local Suffolk County FIPS Code. Each Lake Ronkonkoma New York zip code has a center Longitude / Latitude point (the Lake Ronkonkoma center is -73.120796203613 / 40.818119049072). For your convenience we have also indicated if that zip code in Lake Ronkonkoma observes Daylight Savings time.