The area code 302 is located in Dover, Delaware.
Area code 302 covers the entire state of Delaware, including Dover, the state capital located in central Delaware’s Kent County. This single Delaware area code connects communities from Wilmington in the north to the beaches of Sussex County in the south, all within the Eastern Time (ET) zone. Dover is home to major state offices, Dover Air Force Base, and Dover Motor Speedway—the “Monster Mile,” a well-known NASCAR track. When you see a 302 phone number, it’s tied to someone or a business based somewhere in Delaware.
Stat: “302 is one of the original 86 area codes created in 1947.” — North American Numbering Plan Administrator (NANPA)
Established in 1947, area code 302 is one of the oldest in the North American Numbering Plan and still serves the whole state. Delaware is one of the few U.S. states with just a single area code, a neat fact that fits its nickname, “The First State.” The 302 area code supports state government in Dover, finance and corporate services in Wilmington, and tourism at the Delaware beaches. It’s common across landlines, wireless phones, and VoIP services throughout the state.
For anyone searching “Dover DE area code” or “Delaware area code,” 302 is the answer. It ties together urban centers, college life in Newark, historic towns like New Castle, and seaside communities along the Atlantic coast. Whether the number comes from a small business in Milford or a university department in Newark, 302 phone numbers represent Delaware’s connected communities.