Geographic Regions and Area Codes

Area Code 843 is located in South Carolina and covers a significant portion of the state, including the eastern third and the southern tip. This area code encompasses several major cities and communities such as Charleston, North Charleston, Mount Pleasant, Summerville, and Florence. Additionally, it includes regions like the Grand Strand, the Lowcountry, the Pee Dee, and the Sandhills. The area code has an overlay area code, 854, which covers the same geographic region. This means that both 843 and 854 are used interchangeably within the same areas.