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Key Biscayne, FL Area Codes

Key Biscayne, Florida (population 14,815) uses area codes 786, 305 and 645.

Area code786
Area code305
Area code645
Time zoneEastern
Local time now…

Key Biscayne has no telephone exchange of its own in NANPA records; it is served by the Miami exchange about 10.3 km away.

Key BiscayneMiamiHialeahMiami GardensHomesteadDoralMiami BeachKendallNorth MiamiThe HammocksFountainebleauWestchesterKendale LakesKey Biscayne
Key Biscayne and nearby cities in area code 786

Carriers with Key Biscayne numbers

1066 prefixes are assigned to the Miami exchange: 31% mobile, 14% VoIP and cable, 55% landline.

CarrierPrefixes
Southern Bell Tel & Tel309
T-Mobile173
Metropcs95
AT&T Mobility92
Verizon Wireless66
Abc Paging City Beepers42
Spok42
Onvoy (Sinch)37

Area codes used in Key Biscayne

Area codePrefixes serving Key BiscayneMain carriers in this code
786540T-Mobile, Metropcs, AT&T Mobility
305488Southern Bell Tel & Tel, AT&T Mobility, Metropcs
64538Onvoy (Sinch), AT&T Mobility, Wide Voice

Key Biscayne phone number prefixes

Numbers starting with these first six digits were originally assigned to the Miami exchange.

Nearby cities in area code 786

Questions

What is the area code for Key Biscayne, FL?
Key Biscayne uses 3 area codes: 786, 305 and 645. They overlay each other, so all of them cover the whole city and you dial 10 digits for local calls.
What time zone is Key Biscayne in?
Key Biscayne is in the Eastern time zone.