305 Area Code: Miami, Florida

Miami anchors the 305 area code, the original code for South Florida and the city's longest-standing numbering designation. Miami sits on Biscayne Bay at the southeastern tip of the Florida peninsula, with the Everglades to the west and the open Atlantic to the east, and the city's working economy is shaped heavily by international finance, trade with Latin America and the Caribbean, tourism, and a substantial healthcare sector. The 305 footprint covers Miami itself, Miami Beach, Coral Gables, the Florida Keys, and the surrounding cities that fill out Miami-Dade County.

Other Florida cities — Cape Coral, Deltona, Fort Lauderdale, Gainesville, and others — recur in the directory's records linked to 305 numbers. None of those sit inside the 305 footprint. Their appearance reflects standard public-record dynamics: numbers porting across the state, addresses tied to multiple Florida cities, and prior registrations surfacing alongside current ones. The directory currently documents 704 distinct prefixes within 305 in detail, a working subset of the prefix population the code actually carries.

Miami's home values run notably above the US median, in line with the broader South Florida housing pattern. Median household income comes in below the national figure within the city limits — a reading shaped by an unusually wide income distribution and a substantial low-wage service workforce alongside the city's high-wage finance and corporate sectors. The city's median age sits a few years above the US reading, and the population places Miami among the larger cities in the country, anchoring a metropolitan area many times its city-level size.