Tennessee Area Codes
Directory of all 8 telephone area codes assigned to Tennessee.
Tennessee phone numbers are served by 8 area codes operating in the Eastern / Central timezone.Because an overlay is active, 10-digit dialing is mandatory across much of the state. No area codes in Tennessee are currently flagged as high-risk scams.
Most populated prefix: area code 615 (Tennessee)
All Area Codes in Tennessee
Area Code 423
Chattanooga, Johnson City, Kingsport, Cleveland, Morristown, Bristol, East Ridge, Greeneville, Athens, Elizabethton
Area Code 615
Nashville-Davidson Metropolitan Government (balance), Murfreesboro, Franklin, Hendersonville, Smyrna, Gallatin, Lebanon, Brentwood, Mount Juliet, La Vergne
Area Code 629
Nashville-Davidson Metropolitan Government (balance), Murfreesboro, Franklin, Hendersonville, Smyrna, Gallatin, Lebanon, Brentwood, Mount Juliet, La Vergne
Area Code 729
Chattanooga, Johnson City, Kingsport, Cleveland, Morristown, Bristol, East Ridge, Greeneville, Athens, Elizabethton
Area Code 731
Jackson, Dyersburg, Martin, Union City, Paris, Brownsville, Milan, Lexington, Humboldt, Savannah
Area Code 865
Knoxville, Bartlett, Oak Ridge, Maryville, Farragut, Sevierville, Lakeland, Alcoa, Lenoir City, Clinton
Area Code 901
Memphis, Bartlett, Collierville, Germantown, Arlington, Millington, Oakland, Atoka, Covington, Munford
Area Code 931
Clarksville, Spring Hill, Columbia, Cookeville, Shelbyville, Tullahoma, Mcminnville, Manchester, Lewisburg, Crossville
Major Cities Served by Tennessee Area Codes
The most populous urban centers and census places covered by Tennessee's area codes, ranked by population.
Tennessee Area Code FAQs
Quick answers to common questions about Tennessee telephone area codes.
How many area codes does Tennessee have?
Tennessee has 8 area codes: 423, 615, 629, 729, 731, 865, 901, 931.
What timezone do Tennessee area codes use?
Tennessee area codes operate in the Eastern / Central timezone.
What is the most populated area code in Tennessee?
Area code 615 is the most populous prefix in Tennessee based on covered city population.
Which Tennessee area codes share an overlay?
423 and 729, 615 and 629. Overlay codes serve the same area, which is why 10-digit dialing is required.
Are there scam area codes in Tennessee?
Tennessee has no area codes currently flagged as high-risk scams.
About Tennessee Area Codes & Phone Dialing Rules
When placing calls within Tennessee, ten-digit dialing (area code + 7-digit telephone number) is required in overlay regions where multiple area codes serve the same geographic boundaries.