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Signal Mountain, TN Area Code

Signal Mountain, Tennessee (population 8,824) uses area code 423.

Area code423
Time zoneEastern
Local time now…

Signal Mountain has no telephone exchange of its own in NANPA records; it is served by the Chattanooga exchange about 12.1 km away.

Signal MountainChattanoogaJohnson CityKingsportClevelandMorristownBristolEast RidgeGreenevilleAthensElizabethtonSoddy-DaisyRed BankSignal Mountain
Signal Mountain and nearby cities in area code 423

Carriers with Signal Mountain 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 Signal Mountain

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

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