| Area Code | 931 |
| State | Tennessee |
| Current Time in Area Code 931 | 931> CDT |
| Timezone | Central Daylight Time |
| Regional Market Area | Clarksville-Hopkinsville Area Knoxville Area Metro Chattanooga Metro Nashville |
| Metro Area(s) | Cookeville, TN Crossville, TN Lawrenceburg, TN Lewisburg, TN McMinnville, TN Shelbyville, TN Tullahoma-Manchester, TN |
| Population (2020) | 1019780 |
| Adjacent Area Codes | 256,270,364,423,606,615,629,731,865,938 |
| Clarksville |
| Columbia |
| Cookeville |
| Spring Hill |