The 404 Area Code (or Area Code 404) is located in the state of GA. Area Code 404 is one of the 269 3-digit telephone area codes in the USA. It covers roughly 2.73 million unique phone numbers and 7.59 million individuals near the city of Atlanta

Area code 404 was put into service. In 1954 area code 404 was split to form area code 912. In 1992 area code 404 was split to form area code 706. In 1995 area code 404 was split to form area code 770. In 1998 area code 404 was overlaid with area code 678 and in 2010 area code 404 was overlaid with area code 470. This resulted in an area code overlay complex of 404, 470, 678 and 770. Ten digit dialing is mandatory in area code 404.