305 Area Code 🌍☎️

The most populous cities in area code 305 are: Miami, Hialeah, Marathon, Miami Beach, and Homestead.

Other cities in the 305 area code include: Key West, Miami Gardens, Big Pine Key, Key Largo, Islamorada, Summerland Key, Opa Locka, Tavernier, Key Biscayne, and Fort Lauderdale.

Miami is a seaport city at the southeastern corner of the U.S. state of Florida and its Atlantic coast. As the seat of Miami-Dade County, the municipality is the principal, central, and the most populous city of the Miami metropolitan area and part of the second-most populous metropolis in the southeastern United States. According to the U.S. Census Bureau, Miami's metro area is the eighth-most populous and fourth-largest urban area in the U.S., with a population of around 5.5 million. Miami is a major center, and a leader in finance, commerce, culture, media, entertainment, the arts, and international trade. In 2012, Miami was classified as an Alpha−World City in the World Cities Study Group's inventory. In 2010, Miami ranked seventh in the United States in terms of finance, commerce, culture, entertainment, fashion, education, and other sectors. It ranked 33rd among global cities. In 2008, Forbes magazine ranked Miami "America's Cleanest City", for its year-round good air quality, vast green spaces, clean drinking water, clean streets, and citywide recycling programs. According to a 2009 UBS study of 73 world cities, Miami was ranked as the richest city in the United States, and the world's fifth-richest city in terms of purchasing power. Miami is nicknamed the "Capital of Latin America " and is the largest city with a Cuban-American plurality. Miami has the third tallest skyline in the U.S. with over 300 high-rises. Downtown Miami is home to the largest concentration of international banks in the United States, and many large national and international companies. The Civic Center is a major center for hospitals, research institutes, medical centers, and biotechnology industries. For more than two decades, the Port of Miami, known as the "Cruise Capital of the World", has been the number one cruise passenger port in the world. It accommodates some of the world's largest cruise ships and operations, and is the busiest port in both passenger traffic and cruise lines. Metropolitan Miami is the major tourism hub in the American South, number two in the U.S. after New York City and number 13 in the world, including the popular destination of Miami Beach.

Hialeah is a city in Miami-Dade County, Florida, United States. As of the 2010 census, Hialeah has a population of 224,669. Hialeah is the sixth-largest city in the state. It is a principal city of the Miami metropolitan area, which was home to an estimated 6,012,331 people at the 2015 census. It is located west-northwest of Miami, and is the only place in the county, other than Homestead, Florida, to have its own street grid numbered separately from the rest of the county (which is otherwise based on Miami Avenue at Flagler Street in downtown Miami, the county seat).Hialeah has the highest percentage of Cuban and Cuban American residents of any city in the United States, at 74% of the population, making them a distinctive and prominent feature of the city's culture.Hialeah also has one of the largest Spanish-speaking communities in the country. In 2000, 92% of residents reported speaking Spanish at home, and the language is an important part of daily life in the city. This has attracted many companies to Hialeah, such as Telemundo, the second largest Spanish-language television network in the United States, which is headquartered in the city.Hialeah is served by the Miami Metrorail at Okeechobee, Hialeah, and Tri-Rail/Metrorail Transfer stations. The Okeechobee and Hialeah stations serve primarily as park-and-ride commuter stations to commuters and residents going into Downtown Miami, and Tri-Rail station to Miami International Airport and north to West Palm Beach.

Marathon is a city on Knight's Key, Boot Key, Key Vaca, Fat Deer Key, Long Point Key, Crawl Key and Grassy Key islands in the middle of the Florida Keys, in Monroe County, Florida, United States. As of the 2000 census, the city had a total population of 10,255. As of 2014, the population estimated by the U.S. Census Bureau was 8,708.

The 305 area code lies within the Eastern Daylight Time Zone (or EDT). The current time in Eastern Daylight Time is 07:20 AM on Mar 10, 2026.