Area Code 678 - Georgia
Cities: Gainesville, Jonesboro, Atlanta, Marietta, Stone Mountain, Duluth, Cumming, Conyers, Covington, Douglasville, Lawrenceville, Austell, Lilburn, Winder, Lithia Springs, Cedartown, Bowdon, Adairsville, Stockbridge, Buford, Norcross, Barnesville, Carrollton, Senoia, Kingston, Snellville, Monroe, Alpharetta, Dallas, Peachtree City, Newnan, Clermont, Lithonia, Mcdonough, Woodstock, Tate, Acworth, Ball Ground, Social Circle, Smyrna, Canton, Cartersville, Temple, Powder Springs, Zebulon, Tallapoosa, Grantville, Griffin, Buchanan, Statham, Morrow, Rockmart, Scottdale, Jackson, Dalton, Villa Rica, Columbus, Fayetteville, Bremen, Flowery Branch, Roopville, Lula, Concord, Luthersville