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Where is the 931 Area Code?
The 931 area code is located in Tennessee, United States, covering the central and southern regions of the state outside the Nashville metropolitan area. It serves a wide mix of rural communities, suburban towns, and growing regional cities. Unlike some regions, 931 does not currently operate as an overlay, meaning it remains a standalone area code for its designated geography.
Key Locations within the 931 Area Code:
- Major Cities & Communities: Clarksville, Columbia, Cookeville, Shelbyville, Tullahoma, Spring Hill, McMinnville, Lewisburg, Crossville, Lawrenceburg, Manchester, Winchester, Pulaski, Fairfield Glade, Fayetteville
- Counties (Partial or Complete Coverage): Montgomery, Maury, Putnam, Coffee, Cumberland, Bedford, Lawrence, Franklin, Warren, Lincoln, Marshall, Giles, White, Hickman, Overton

Time Zone
The 931 area code, covering Clarksville, Cookeville, Columbia, Shelbyville, Tullahoma, and other cities in central and southern Tennessee, is located in the Central Time Zone (CT). The region observes Central Standard Time (CST, UTC−6) during the winter months and switches to Central Daylight Time (CDT, UTC−5) for daylight saving time in the summer.
About the 931 Area Code in Tennessee
The 931 area code was created in 1997 as a split from the 615 region to handle the growing need for phone services in Middle Tennessee. It covers key cities and business centers like Clarksville, Cookeville, and Columbia, which support the state’s manufacturing and defense industries. This region is an important part of Tennessee (Volunteer State), with Montgomery County alone producing about $9.43 billion in GDP in 2024, contributing to the state’s total output of over $589.8 billion by 2025.
Key Economic Sectors in the 931 Region:
- Manufacturing & Automotive: General Motors (Spring Hill), Hankook Tire, LG Electronics (Clarksville), Nissan supplier ecosystem (Middle Tennessee)
- Healthcare: Tennova Healthcare (Clarksville), Maury Regional Health, Cookeville Regional Medical Center
- Education: Austin Peay State University, Tennessee Tech University, Motlow State Community College, Columbia State Community College
- Defense & Industrial Technology: Akebono Brake Corporation (Clarksville), Fort Campbell defense ecosystem, regional automotive and industrial suppliers
History of 931 Area Code
Area code 931 started serving Tennessee on September 15, 1997 and was one of 43 introduced that year.
Furthermore, 931 was created after a split from the 615 area code to meet the demands for new numbers. It is Tennessee’s fourth area code, which currently has 7.
Search 931 Area Code Virtual Phone Numbers
Look at the list of Calilio’s available 931 phone numbers. Purchase one and connect with the dynamic business market of the Volunteer State.
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931 Area Code: Dialing Format, Prefixes & Network Coverage
The 931 area code serves Middle Tennessee and requires 10-digit dialing (area code + 7-digit number) for all local and long-distance calls within the U.S. To call a 931 number from another country, simply dial your local exit code, followed by the U.S. country code 1, and the full 10-digit phone number.
Operating under the North American Numbering Plan (NANP), the region is supported by major carriers like AT&T, Verizon, and T-Mobile. Common prefixes (NPA-NXX) allocated across the network include (931) 200, (931) 210, and (931) 219.
The 931 area code also integrates smoothly with modern VoIP services, allowing businesses to establish a local presence without a physical office. Platforms like Calilio provide professional features such as IVR, automated call routing, and call recording. These tools help streamline communication and ensure a professional experience, making it easier for companies to manage their operations from anywhere.

Nearby Area Codes of 931
931 Area Code Number as a Communication Tool for Business Growth
How to Get a 931 Area Code Virtual Phone Number?
Calilio provides a hassle-free way to get a 931 area code phone number. Simply sign up and complete the easy setup process outlined below.
Sign up on Calilio and access your dashboard.
From the left sidebar, click the (+) next to the Number section.
On the My Number page, choose the United States for a 931 area code.
Pick your number type and select capabilities like SMS, Voice, or MMS.
Browse available numbers, select one, and click “Add to Cart.”
Finally, enter your name, confirm the purchase, and activate your virtual number.
Already Have a 931 Phone Number for Business?
Port your existing 931 area code numbers to Calilio and enjoy top-tier features.

Why Does Your Business Need a 931 Area Code Number?
Along with reducing long-distance charges, acquiring a local 931 number benefits your firm by enhancing visibility in local searches and building trust and credibility.
Builds Trust and Credibility
Enhanced Visibility in Local Search
Increased Customer Engagement
Reduced Long-Distance Charges
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