 The South Carolina Public Service Commission reminding of a new 821 area code overlay for the upstate region. That includes Greenville, Spartanburg, and Anderson. It launches on July the 19th. Existing 864 area code numbers will remain unchanged. New phone lines after August the 19th of this year may be assigned to the 821 area code. Weather is brought to you by Airtek Heating and Air. Remember, no matter what the weather, Airtek makes it better.