423 dialing code
Dialing code +1 (423) cities
- Cleveland
- Graysville
- Jasper
- Winfield
- Athens
- Baileyton
- Decatur
- Huntsville
- Lookout Mountain
- New Hope
- Oak Grove
- Rogersville
- Benton
- Dayton
- Central
- Elgin
- Morristown
- Charleston
- Bluff City
- Etowah
- Harrison
- Hunter
- Newport
- Oakdale
- Robbins
- Englewood
- Fairmount
- Walden
- Bristol
- Bloomingdale
- Caryville
- Mount Carmel
- Gray
- Calhoun
- Lone Oak
- Mountain City
- Sweetwater
- Dunlap
- Hopewell
- Oneida
- Walnut Hill
- Spurgeon
- Riceville
- Johnson City
- Madisonville
- Fincastle
- Pikeville
- Church Hill
- Kimball
- Red Bank
- Erwin
- East Cleveland
- Chattanooga
- Telford
- Spring City
- Apison
- Banner Hill
- Blountville
- Bulls Gap
- Collegedale
- Colonial Heights
- Copperhill
- Cumberland Gap
- Ducktown
- East Ridge
- Elizabethton
- Fall Branch
- Falling Water
- Flat Top Mountain
- Greeneville
- Harrogate
- Helenwood
- Jacksboro
- Jellico
- Jonesborough
- Kingsport
- La Follette
- Lakesite
- Middle Valley
- Mooresburg
- Mosheim
- Mowbray Mountain
- New Tazewell
- Niota
- Ooltewah
- Orme
- Parrottsville
- Petros
- Pine Crest
- Powells Crossroads
- Ridgeside
- Roan Mountain
- Sale Creek
- Signal Mountain
- Sneedville
- Soddy-Daisy
- South Cleveland
- South Pittsburg
- Sunbright
- Surgoinsville
- Tazewell
- Tellico Plains
- Tusculum
- Unicoi
- Vonore
- Wartburg
- Watauga
- Whitwell
- Wildwood Lake