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.
Counties in Area Code 305
- Miami-Dade,
- Monroe.
Most Populous Cities in Area Code 305
| City | County | City Population |
|---|---|---|
| Miami | Miami-Dade | 1,789,061 |
| Hialeah | Miami-Dade | 361,125 |
| Homestead | Miami-Dade | 161,199 |
| Miami Beach | Miami-Dade | 113,789 |
| Opa Locka | Miami-Dade | 74,992 |
| North Miami Beach | Miami-Dade | 41,570 |
| Miami Gardens | Miami-Dade | 36,387 |
| Key West | Monroe | 33,664 |
| Key Biscayne | Miami-Dade | 12,858 |
| Key Largo | Monroe | 11,885 |
| Marathon | Monroe | 9,131 |
| Summerland Key | Monroe | 5,966 |
| Tavernier | Monroe | 5,469 |
| Big Pine Key | Monroe | 4,414 |
| Islamorada | Monroe | 3,106 |
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.