Where is the 931 area code?

Area code 931 covers Tennessee, on Central Time.

What time zone is area code 931 in?

Numbers in the 931 area code sit in Central Time and Eastern Time.

Is 931 a toll-free or scam area code?

No. 931 is a geographic North American Numbering Plan area code assigned to Tennessee. Toll-free numbers use 800, 833, 844, 855, 866, 877 and 888. A call from 931 can still be spoofed, so treat unexpected calls with the usual caution.

Area code lookup

931 area code

Where the 931 area code is, which cities and counties it serves, the local time zone and the overlay codes dialled alongside it.

State: TN
Codes in state: 7
Overlays & neighbours: 6
Time zone: Central Time, Eastern Time

Quick answer

Area code 931 is a geographic area code assigned to Tennessee under the North American Numbering Plan. Tennessee observes Central Time and Eastern Time, and the state also holds 6 other area codes: 423, 615, 629, 731, 865, 901.

Largest cities in Tennessee

The largest places in Tennessee. Each links to its full local profile: population, income, housing and sales tax.

City	Population
Nashville-Davidson metropolitan government (balance)	684,298
Memphis city	629,063
Knoxville city	193,721
Chattanooga city	182,832
Clarksville city	171,897
Murfreesboro city	157,547
Franklin city	85,575
Johnson City city	71,455
Jackson city	68,098
Hendersonville city	62,390
Bartlett city	56,998
Kingsport city	55,807

All Tennessee cities All Tennessee ZIP codes Tennessee sales tax

Related area codes

Codes that share or border the same calling area.

931 area code FAQ

The questions people ask about this code.

Where is area code 931?

931 is a geographic area code in Tennessee.

What time is it in the 931 area code?

931 observes Central Time and Eastern Time.

Is 931 a scam area code?

No — it is a normal geographic code, not a toll-free or premium-rate prefix. Caller ID can be spoofed on any code, so verify unexpected callers before sharing information.

Sources & transparency

North American Numbering Plan Administrator (NANPA) area code assignments — area code to geography mapping and overlay relationships
US Census Bureau, American Community Survey 2019-2023 5-year estimates — city, county and ZIP code geography

Last reviewed August 2026. Figures are published for reference and can change; verify with the source agency before filing or contracting. How we build and check this data.