World Time Zone Map Tennessee Area Codes 423

423 Area code

423 is an area code located in the state of Tennessee, US. The largest city it serves is Chattanooga.

Location, time zone and map of the 423 area code

Local time

--:-- CDT    24 hours
--:-- EDT

 

Time difference to GMT/UTC

Time zone Difference to UTC/GMT
Central Time
Standard time zone: UTC/GMT -6:00 hours
Daylight saving time: +1:00 hour
Current time zone offset: UTC/GMT -5:00 hours
Time zone abbreviation: CDT
Eastern Time
Standard time zone: UTC/GMT -5:00 hours
Daylight saving time: +1:00 hour
Current time zone offset: UTC/GMT -4:00 hours
Time zone abbreviation: EDT
 

Daylight Saving Time 2021 (Summer Time)

Time zones DST Transitions
Central Time
Eastern Time
DST starts on
Sunday 14 March 2021, 02:00
DST ends on
Sunday 07 November 2021, 02:00
 

Time zones

Central Time:
- CST - Central Standard Time
- CDT - Central Daylight Time when daylight saving time is being observed (from mid-March to early November)

Eastern Time:
- EST - Eastern Standard Time
- EDT - Eastern Daylight Time when daylight saving time is being observed (from mid-March to early November)

 

Location

 

Major cities and communities served by area code 423

Hamilton County
  • Chattanooga
  • East Ridge
  • Soddy-Daisy
  • Red Bank
  • Collegedale
  • Signal Mountain
  • Sale Creek
  • Ooltewah
Washington County
  • Johnson City
  • Jonesborough
  • Fall Branch
  • Limestone
Sullivan County
  • Kingsport
  • Bristol
  • Blountville
  • Bluff City
Bradley County
  • Cleveland
  • Charleston
Hamblen County
  • Morristown
Greene County
  • Greeneville
  • Mosheim
  • Baileyton
Carter County
  • Elizabethton
  • Roan Mountain
  • Hampton
McMinn County
  • Athens
  • Etowah
  • Englewood
  • Niota
  • Riceville
Rhea County
  • Dayton
  • Spring City
Cocke County
  • Newport
Hawkins County
  • Church Hill
  • Rogersville
Unicoi County
  • Erwin
Monroe County
  • Sweetwater
  • Madisonville
  • Vonore
  • Tellico Plains
Sequatchie County
  • Dunlap
Claiborne County
  • Harrogate
  • New Tazewell
Scott County
  • Oneida
  • Huntsville
  • Robbins
Marion County
  • Jasper
  • South Pittsburg
  • Whitwell
Johnson County
  • Mountain City
Campbell County
  • Jellico
Bledsoe County
  • Pikeville
Meigs County
  • Decatur
Hancock County
  • Sneedville
Polk County
  • Benton
Morgan County
  • Wartburg
  • Petros
  • Sunbright
 
 

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