423 Area Code

The 423 area code is found in the state of Tennessee, and spans 29 different Counties. Listed below are the 29 Counties that reside inside of the 423 area code. Included under the Counties are the cities within the given County.
Anderson County Tennessee
Briceville
Bledsoe County Tennessee
Pikeville
Bradley County Tennessee
Charleston, Cleveland, Mc Donald
Campbell County Tennessee
Caryville, Duff, Jacksboro, Jellico, La Follette, Newcomb, Pioneer
Carter County Tennessee
Elizabethton, Hampton, Milligan College, Roan Mountain, Watauga
Claiborne County Tennessee
Arthur, Clairfield, Cumberland Gap, Eagan, Harrogate, Lone Mountain, New Tazewell, Pruden, Shawanee, Speedwell, Tazewell
Cocke County Tennessee
Bybee, Cosby, Del Rio, Hartford, Newport, Parrottsville
Grainger County Tennessee
Thorn Hill
Greene County Tennessee
Afton, Chuckey, Greeneville, Midway, Mohawk, Mosheim
Hamblen County Tennessee
Lowland, Morristown, Russellville, Talbott, Whitesburg
Hamilton County Tennessee
Apison, Bakewell, Birchwood, Chattanooga, Collegedale, Harrison, Hixson, Lookout Mountain, Lupton City, Ooltewah, Sale Creek, Signal Mountain, Soddy Daisy
Hancock County Tennessee
Sneedville
Hawkins County Tennessee
Bulls Gap, Church Hill, Eidson, Mooresburg, Mount Carmel, Rogersville, Surgoinsville
Johnson County Tennessee
Butler, Laurel Bloomery, Mountain City, Shady Valley, Trade
Knox County Tennessee
Knoxville
Loudon County Tennessee
Philadelphia
Mcminn County Tennessee
Athens, Calhoun, Englewood, Etowah, Niota, Riceville
Marion County Tennessee
Guild, Jasper, Sequatchie, South Pittsburg, Whiteside
Meigs County Tennessee
Decatur, Georgetown, Ten Mile
Monroe County Tennessee
Coker Creek, Madisonville, Sweetwater, Tellico Plains, Vonore
Morgan County Tennessee
Deer Lodge, Lancing, Oakdale, Petros, Rugby, Sunbright, Wartburg
Polk County Tennessee
Benton, Conasauga, Copperhill, Delano, Ducktown, Farner, Ocoee, Old Fort, Reliance, Turtletown
Rhea County Tennessee
Dayton, Evensville, Grandview, Graysville, Spring City
Roane County Tennessee
Harriman, Oliver Springs, Rockwood
Scott County Tennessee
Elgin, Helenwood, Huntsville, Oneida, Robbins, Winfield
Sequatchie County Tennessee
Dunlap, Whitwell
Sullivan County Tennessee
Blountville, Bluff City, Bristol, Kingsport, Piney Flats
Unicoi County Tennessee
Erwin, Flag Pond, Unicoi
Washington County Tennessee
Fall Branch, Johnson City, Jonesborough, Limestone, Mountain Home, Telford