Area Code 931

Tennessee

Area code 931 serves Tennessee, primarily Clarksville, in the Central Time (CT) time zone. It was created from a split of area code 615.

Published:

Split Area Code

This area code was created by splitting an existing area code into separate geographic regions. When a split occurs, some customers in the original area code region are assigned the new area code.

This area code was split from area code 615 (Nashville).

In service since: 15-Sep-1997

Learn more about overlay and split area codes →

Demographics & Economics

Total Population
2,505,899
Population Density
68 people/sq mi
below U.S. average (U.S.: 93 people/sq mi)
Median Household Income
$61,476
below U.S. median (U.S.: $75,144)
Poverty Rate
14.2%
above U.S. average (U.S.: 11.5%)
Unemployment Rate
4.4%
above U.S. average (U.S.: 3.6%)
Education Attainment
Bachelor's Degree+
22.4%
below U.S. average (U.S.: 33.7%)
High School or Lower
42.3%

Statistics are population-weighted aggregations from Census ACS 5-year estimates. Population figures are approximate — see Sources & Methodology for details on how area code populations are derived.

See how this area code compares to all US area codes in the income ranking and density ranking.

Time Zones

  • Central Time (CT)
  • Eastern Time (ET)

NANPA Relief Status

According to the latest NANPA analysis (July 2026), this area code is not currently listed as exhausting within the next 36 months. No relief planning is in progress for this NPA.

Source: NANPA NPA Relief Planning Reports · See all relief planning statuses

Current Time

Central Time (CT)
 
 
Eastern Time (ET)
 
 

This area code spans multiple time zones.

Prefix Utilization

Geographic Coverage

State

TN

Major Cities

  • Clarksville
  • Spring Hill
  • Columbia
  • Cookeville
  • Shelbyville
  • Tullahoma
  • McMinnville
  • Manchester
  • Lewisburg
  • Crossville
  • Lawrenceburg
  • Winchester
  • Fairfield Glade
  • Pulaski
  • Fayetteville
  • Lynchburg, Moore County
  • Sparta
  • Mount Pleasant
  • Lake Tansi
  • Waverly
  • Algood
  • Livingston
  • Hohenwald
  • Centerville

and 79 more cities

Area Code 931 geographic coverage map (light mode)

Demographics

The estimated population served by area code 931 is approximately 2,505,899. The population density is 68 people per square mile, which is lower than the national average of 93. The median household income is $61,476, which is lower than the national median of $75,144. Approximately 22.4% of adults hold a bachelor's degree or higher, compared to the national rate of 33.7%. This rate is lower than the national average. The poverty rate stands at 14.2%, which is higher than the national rate of 11.5%.

History

Area code 931 was created from a split of area code 615. It was introduced in 1997 as part of a geographic division to provide additional numbering resources.

County Coverage

Population-weighted county share based on aggregated ZCTA population (100% = total mapped population for area code 931).

CountyPopulationShare
Montgomery, TN243,0599.7%
Maury, TN166,9766.7%
Marshall, TN166,8216.7%
Bedford, TN134,7515.4%
Williamson, TN125,0355.0%
Putnam, TN120,1264.8%
Moore, TN117,6104.7%
Overton, TN99,6664.0%
Cumberland, TN91,9983.7%
Giles, TN91,3343.6%
Jackson, TN87,9563.5%
Coffee, TN81,4013.2%
Franklin, TN77,7033.1%
Van Buren, TN69,2532.8%
Lewis, TN63,6112.5%
Lawrence, TN61,4102.5%
Lincoln, TN61,0122.4%
White, TN59,3692.4%
Cheatham, TN57,2462.3%
Grundy, TN53,8172.1%
Wayne, TN47,3271.9%
Hickman, TN46,4311.9%
Warren, TN43,5871.7%
DeKalb, TN40,3161.6%
Sequatchie, TN40,0511.6%
Cannon, TN39,5231.6%
Fentress, TN31,4191.3%
Houston, TN26,3521.1%
Stewart, TN22,7740.9%
Pickett, TN20,3150.8%
Perry, TN20,2240.8%
Humphreys, TN19,8110.8%
Christian, KY19,2610.8%
Bledsoe, TN12,0300.5%
Clay, TN11,8880.5%
Marion, TN10,3030.4%
Dickson, TN9,8440.4%
Clinton, KY4,1420.2%
Rutherford, TN3,8310.2%
Hardin, TN3,5990.1%
Smith, TN1,2170.0%
Macon, TN1,0040.0%
Scott, TN4960.0%

Area Code 931 Family Tree

View All Trees

Hover over nodes to see details. Click to navigate to individual area code pages. Use scroll to zoom, drag to pan.

615423629931729865
1
Total Codes
0
Splits
0
Overlays
0
Max Depth

Area code 931 was originally assigned in 15-Sep-1997 to serve TN.

Call Context

Mixed urban-rural area

This area code spans a mix of urban centers and rural communities across TN, with Clarksville as a primary city.

Nearby Area Codes

Area codes geographically closest to 931.

Area code 615 map card showing Nashville (light mode)
615TNNashvilleCentral Time (CT)Geographic
Area code 629 map card showing Nashville (light mode)
629TNNashvilleCentral Time (CT)Overlay
Area code 256 map card showing Huntsville (light mode)
256ALHuntsvilleCentral Time (CT)Geographic
Area code 938 map card showing Huntsville (light mode)
938ALHuntsvilleCentral Time (CT)Overlay
Area code 270 map card showing Bowling Green (light mode)
270KYBowling GreenAll time zonesGeographic
Area code 364 map card showing Bowling Green (light mode)
364KYBowling GreenAll time zonesOverlay

Other Area Codes in Tennessee

Area codes that also serve Tennessee, linked for easy comparison.