Below is a list of Key Biscayne FL zip codes. For your research we have also included Key Biscayne Area Code, Time Zone, UTC and the local Miami-dade County FIPS Code. Each Key Biscayne Florida zip code has a center Longitude / Latitude point (the Key Biscayne center is -80.163597106934 / 25.69109916687). For your convenience we have also indicated if that zip code in Key Biscayne observes Daylight Savings time.