790-1028 is a four-digit area code that covers parts of Cabarrus County, North Carolina and parts of Mecklenburg County, North Carolina. It includes the cities of Harrisburg, Kannapolis, Matthews, and Indian Trail, among others. It was created on April 17, 1997, when the 531 area code was split. Residents of this region are served by both the 484 and 704 exchanges.