Key Largo, Florida Area Code
Key Largo, FL is officially utilizing an area code overlay in which area codes 305 and 786 serve the same geographic area. Ten digit dialing (area code + seven digit number) is necessary.
In addition to Key Largo, FL area code information read more about area codes 305 and 786 details and Florida area codes.
Key Largo, FL is located in Monroe County and observes the Eastern Time Zone. View our Times by Area Code tool.