Key Biscayne, Florida

ZIP codes in Key Biscayne

Area codes for Key Biscayne

• Area code 305

  In service since 1947. Shares its area with 645 and 786. Local calls are dialed with ten digits; dialing 1 plus ten digits also works.

• Area code 645

  In service since August 4, 2023. Shares its area with 305 and 786. Local calls are dialed with ten digits; dialing 1 plus ten digits also works.

• Area code 786

  In service since March 1, 1998. Shares its area with 305 and 645. Local calls are dialed with ten digits; dialing 1 plus ten digits also works.

Area codes here are matched from telephone rate centers, so a place near a boundary can have local numbers from either side of it.

Time zone

Key Biscayne is in the Eastern Time zone.

Towns near Key Biscayne

• Fisher Island8 km (5.0 mi)
• Coral Gables11.1 km (6.9 mi)
• Miami Beach11.9 km (7.4 mi)
• Miami12.9 km (8.0 mi)
• South Miami13.4 km (8.3 mi)
• Pinecrest14.6 km (9.1 mi)
• West Miami15.3 km (9.5 mi)
• Coral Terrace15.4 km (9.6 mi)