Key Biscayne, Florida
Area codes 305, 645, 786 · Population: 12,344
Eastern (ET)
Florida
Pop. 12,344
Area Codes Serving Key Biscayne
About Key Biscayne, Florida
Key Biscayne is a city in Florida that is served by area codes 305, 645, 786. The city has a population of approximately 12,344 residents and is located in the Eastern Time Zone.