Area Code 843 History:
Area code 843 was put into service. Area code 843 was created from a split of area code 803.
Area code 854 has been approved by the South Carolina Public Service Commission as an overlay of area code 843, with an implementation date of October 19, 2015.
Counties in South Carolina within area code 843 include:
Beaufort County, Berkeley County, Charleston County, Chesterfield County, Clarendon County, Colleton County, Darlington County, Dillon County, Dorchester County, Florence County, Georgetown County, Hampton County, Horry County, Jasper County, Kershaw County, Marion County, Marlboro County, and Williamsburg County.
Major cities or places in South Carolina within area code 843 include:
Area code 843 covers the eastern and coastal areas of South Carolina including Charleston, Florence, Hilton Head Island, Mount Pleasant, Myrtle Beach, North Charleston, and Summerville in addition to many smaller coastal area communities within the area code 843 service area.