Area Code 420

The 423 area code is assigned to the eastern parts of the state of Tennessee. A few of the notable cities that fall in this area code include:

·          Athens

·          Blountville

·          Bluff City

·          Bristol

·          Bulls Gap

·          Charleston

·          Chattanooga

·          Cleveland

·          Clinchport

·          Coker Creek

·          Cumberland Gap

·          Dayton

·          Deer Lodge

·          Englewood

·          Etowah

·          Fork Ridge

·          Greeneville

·          Huntsville

·          Jellico

·          Johnson City

·          Kingsport

·          La Follette

·          Madisonville

·          Midway

·          Morristown

·          New Tazewell

·          Newport

·          Niota

·          Oakdale

·          Oneida

·          Petros

·          Pikeville

·          Riceville

·          Robbins
Rogersville

·          Sneedville

·          Soddy Daisy

·          Sunbright

·          Surgoinsville

·          Sweetwater

·          Tellico Plains

·          Vonore

·          Wartburg

·          West SweetwaterAthens

·          Blountville

·          Bluff City

·          Bristol

·          Bulls Gap

·          Charleston

·          Chattanooga

·          Cleveland

·          Clinchport

·          Coker Creek

·          Cumberland Gap

·          Dayton

·          Deer Lodge

·          Englewood

·          Etowah

·          Fork Ridge

·          Greeneville

·          Huntsville

·          Jellico

·          Johnson City

·          Kingsport

·          La Follette

·          Madisonville

·          Midway

·          Morristown

·          New Tazewell

·          Newport

·          Niota

·          Oakdale

·          Oneida

·          Petros

·          Pikeville

·          Riceville

·          Robbins

·          Rogersville

·          Sneedville

·          Soddy Daisy

·          Sunbright

·          Surgoinsville

·          Sweetwater

·          Tellico Plains

·          Vonore

·          Wartburg

·          West Sweetwater