Area code 864 serves northwestern South Carolina, including cities such as Greenville, Spartanburg, and Anderson. Established in 1995 from a split with 803, it covers the Upstate region, a key economic driver in South Carolina with a growing tech sector, manufacturing plants, and higher education institutions. The area is known for its scenic mountain backdrop and vibrant local culture. Seven-digit dialing remains available locally. Area code 864 is a powerful symbol of the region’s emergence as a business and innovation hub in the Southeast.