Area code 423 is used for the following cities:
Click on any city to see time zone and surise sunset time.
- India - Tamil Nadu - Ootacamund (+91-423)
- Russia - Vladivostok (+7-423)
- USA - Tennessee - Athens (+1-423)
- USA - Tennessee - Baileyton (+1-423)
- USA - Tennessee - Benton (+1-423)
- USA - Tennessee - Bluff City (+1-423)
- USA - Tennessee - Bristol (+1-423)
- USA - Tennessee - Bulls Gap (+1-423)
- USA - Tennessee - Calhoun (+1-423)
- USA - Tennessee - Caryville (+1-423)
- USA - Tennessee - Charleston (+1-423)
- USA - Tennessee - Chattanooga (+1-423)
- USA - Tennessee - Church Hill (+1-423)
- USA - Tennessee - Cleveland (+1-423)
- USA - Tennessee - Collegedale (+1-423)
- USA - Tennessee - Copperhill (+1-423)
- USA - Tennessee - Cumberland Gap (+1-423)
- USA - Tennessee - Dayton (+1-423)
- USA - Tennessee - Decatur (+1-423)
- USA - Tennessee - Ducktown (+1-423)
- USA - Tennessee - Dunlap (+1-423)
- USA - Tennessee - East Ridge (+1-423)
- USA - Tennessee - Elizabethton (+1-423)
- USA - Tennessee - Englewood (+1-423)
- USA - Tennessee - Erwin (+1-423)
- USA - Tennessee - Etowah (+1-423)
- USA - Tennessee - Graysville (+1-423)
- USA - Tennessee - Greeneville (+1-423)
- USA - Tennessee - Harrogate (+1-423)
- USA - Tennessee - Huntsville (+1-423)
- USA - Tennessee - Jacksboro (+1-423)
- USA - Tennessee - Jasper (+1-423)
- USA - Tennessee - Jellico (+1-423)
- USA - Tennessee - Johnson City (+1-423)
- USA - Tennessee - Jonesborough (+1-423)
- USA - Tennessee - Kimball (+1-423)
- USA - Tennessee - Kingsport (+1-423)
- USA - Tennessee - LaFollette (+1-423)
- USA - Tennessee - Lookout Mountain (+1-423)
- USA - Tennessee - Madisonville (+1-423)
- USA - Tennessee - Monteagle (+1-423)
- USA - Tennessee - Morristown (+1-423)
- USA - Tennessee - Mosheim (+1-423)
- USA - Tennessee - Mount Carmel (+1-423)
- USA - Tennessee - Mountain City (+1-423)
- USA - Tennessee - New Tazewell (+1-423)
- USA - Tennessee - Newport (+1-423)
- USA - Tennessee - Niota (+1-423)
- USA - Tennessee - Oakdale (+1-423)
- USA - Tennessee - Oneida (+1-423)
- USA - Tennessee - Parrottsville (+1-423)
- USA - Tennessee - Pikeville (+1-423)
- USA - Tennessee - Powells Crossroads (+1-423)
- USA - Tennessee - Red Bank (+1-423)
- USA - Tennessee - Rogersville (+1-423)
- USA - Tennessee - Signal Mountain (+1-423)
- USA - Tennessee - Sneedville (+1-423)
- USA - Tennessee - Soddy-Daisy (+1-423)
- USA - Tennessee - South Pittsburg (+1-423)
- USA - Tennessee - Spring City (+1-423)
- USA - Tennessee - Sunbright (+1-423)
- USA - Tennessee - Surgoinsville (+1-423)
- USA - Tennessee - Sweetwater (+1-423)
- USA - Tennessee - Tazewell (+1-423)
- USA - Tennessee - Tellico Plains (+1-423)
- USA - Tennessee - Tusculum (+1-423)
- USA - Tennessee - Unicoi (+1-423)
- USA - Tennessee - Vonore (+1-423)
- USA - Tennessee - Walden (+1-423)
- USA - Tennessee - Wartburg (+1-423)
- USA - Tennessee - Watauga (+1-423)
- USA - Tennessee - Whitwell (+1-423)
- USA - Tennessee - Winfield (+1-423)