Verified area-code information

731 Area Code

731 is an in-service United States area code assigned to Tennessee. It identifies a numbering region, not a caller’s current location.

Official Numbering RegionVerified NANPA Assignment
TennesseeArea Code 731
Country: United States•Time Zone: Central•In Service: 12-Feb-2001
Numbering country
United States
Area-code type
Geographic
Numbering region
Tennessee
Time-zone information
Central
In service since
12-Feb-2001

Where is area code 731?

NANPA assigns 731 to Tennessee. The source report does not provide city-level coverage for this record, so this page does not guess a particular city. Browse other codes in Tennessee

View the official area-code maps ↗. Maps show numbering areas, not a caller’s location.

Time zones associated with 731

NANPA lists Central for this numbering area. These are numbering-region time zones, not a caller’s current location.

Central timeRepresentative local clock

An area code can span more than one time zone. Local daylight-saving rules may differ.

Open the time-zone finder for 731 →

How do you dial a 731 number?

Use the North American country calling code +1 followed by the three-digit area code and seven-digit local number. For example, write the pattern as +1 731 XXX XXXX. Local dialing rules and charges depend on your location and provider. Check a supported dialing format or check NANPA’s 10-digit dialing list.

Assigned prefixes in 731

NANPA’s US report listed 394 assigned prefixes on 2026-09-29. These are code assignments, not a count of active phone numbers or proof of a caller’s current carrier. Search any US area code and prefix.

Top rate-center labels by assigned prefixes

Rate centerAssigned prefixes
JACKSON57
PARIS23
DYERSBURG18
UNION CITY14
BROWNSVL13

Top listed companies by assigned prefixes

Assignment companyAssigned prefixes
BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL81
NEW CINGULAR WIRELESS PCS, LLC - GA52
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN42
LEVEL 3 COMMUNICATIONS, LLC - TN36
ONVOY, LLC - TN36

731 prefix lookup

394 assigned prefixes are listed for this area code. Search NANPA’s US central-office code assignments. The listed company and rate center describe an assignment; number portability means they cannot identify the current carrier, subscriber, or caller.

The area-code file loads when you search. The three-digit prefix stays in your browser.

Check a number with area code 731

Enter the full ten-digit number to see its structure and formatting. The check stays in your browser.

Check a 731 number

Enter a 10-digit +1 North American number. We check its structure and area-code record, not the caller’s identity or whether the line is active.

Processed locally in your browser. Nothing you enter is sent to OfficialAreaCode or saved.

Received an unfamiliar call?

The displayed number may be spoofed. Do not rely on an area code as proof of caller identity. If the caller claims to represent a business, end the call and contact that business using a number you found independently.

Understand caller ID spoofing · Find next steps

Common questions about 731

What time zone is area code 731 in?

731 is assigned to Tennessee, and the NANPA record associates it with Central time. A phone number does not reveal its owner’s current time zone. The clock above uses a representative time zone for the numbering area.

Does 731 mean the caller is in Tennessee?

No. An area code is an assignment, and a person can travel, move, use internet calling, or display a spoofed number.

Can this page identify who called?

No. OfficialAreaCode has no live subscriber directory or spam-report database.