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  5. Area Code 305

Where Is Area Code 305?

Area code 305 is found in the US state of Florida. Primarily servicing the city of Miami (population: 1789061), area code 305 covers 2 counties of Florida.

Located in the Eastern time zone, area code 305 is on the same time as New York, NY.

Area code 305 was brought into effect on January 1, 1947.

Map of  with area code 305 highlighted

Counties in Area Code 305

  • Miami-Dade,
  • Monroe.

Most Populous Cities in Area Code 305

City County City Population Time Zone
Miami Miami-Dade 1,789,061 EST
Hialeah Miami-Dade 361,125 EST
Homestead Miami-Dade 161,199 EST
Miami Beach Miami-Dade 113,789 EST
Opa Locka Miami-Dade 74,992 EST
North Miami Beach Miami-Dade 41,570 EST
Miami Gardens Miami-Dade 36,387 EST
Key West Monroe 33,664 EST
Key Biscayne Miami-Dade 12,858 EST
Key Largo Monroe 11,885 EST
Marathon Monroe 9,131 EST
Summerland Key Monroe 5,966 EST
Tavernier Monroe 5,469 EST
Big Pine Key Monroe 4,414 EST
Islamorada Monroe 3,106 EST

Note: The above list is based off of the top 25 most populous cities in the area code as per 2012 United States Census Bureau estimates.

View all United States Area Codes.

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This page was last updated on July 3, 2015.