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Chattanooga, TN Area Code

Chattanooga, Tennessee (population 194,144) uses area code 423.

Area code423
Time zoneEastern
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ChattanoogaJohnson CityKingsportClevelandMorristownBristolEast RidgeGreenevilleAthensElizabethtonSoddy-DaisyRed BankMiddle ValleyChattanooga
Chattanooga and nearby cities in area code 423

Carriers with Chattanooga numbers

183 prefixes are assigned to the Chattanooga exchange: 34% mobile, 16% VoIP and cable, 50% landline.

CarrierPrefixes
South Central Bell Tel60
AT&T Mobility25
Verizon Wireless21
T-Mobile15
Onvoy (Sinch)9
Paetec Itel7
Electric Power Board Of Chattanooga6
Lumen (Level 3)6

Area codes used in Chattanooga

Area codePrefixes serving ChattanoogaMain carriers in this code
423183South Central Bell Tel, Lumen (CenturyLink), AT&T Mobility

Chattanooga phone number prefixes

Numbers starting with these first six digits were originally assigned to the Chattanooga exchange.

Nearby cities in area code 423

Questions

What is the area code for Chattanooga, TN?
The area code for Chattanooga, Tennessee is 423.
What time zone is Chattanooga in?
Chattanooga is in the Eastern time zone (area code 423 also reaches into the Central time zone).