615 Area Code
The main area code of Nashville and the immediate surrounding counties is 615.
The counties in 615 area code include:
Davidson, Rutherford, Williamson, Wilson, Sumner, Cheatham, Dickson, Cannon, Dekalb, Macon, Robertson, Smith, and Trousdale counties.
Major cities in the 615 area code include:
Nashville, LaVergne, Smyrna, Murfreesboro, Brentwood, Franklin, Spring Hill, Mount Juliet, Lebanon, Hendersonville, Gallatin, Ashland City, Dickson, and Springfield.
629 Area Code
The 629 area code of Nashville was added in 2015 as the 615 has started to run low on available numbers. The 629 area code overlaps the 615 area code and includes the same service area as 615.
931 Area Code
The 931 area code includes the rest of middle Tennessee outside of Davidson and the surrounding counties.
The counties in 931 area code include:
Bedford, Clay, Coffee, Cumberland, Fentress, Franklin, Giles, Grundy, Hickman, Houston, Humphreys, Jackson, Lawrence, Lewis, Lincoln, Marshall, Maury, Montgomery, Moore, Overton, Perry, Pickett, Putnam, Stewart, Van Buren, Warren, Wayne, White, and part of Williamson county.
Major cities in the 931 area code include:
Shelbyville, Cookeville, Clarksville, and Columbia.