Where Is Area Code 865 Located?

Area code 865 covers Knoxville and surrounding areas in Tennessee. It was activated in 1999 as an overlay of area code 423. For the full picture, see all Tennessee area codes.

Quick Facts: Area Code 865

State	Tennessee
Primary city	Knoxville
Cities also served	Knoxville, Oak Ridge, Maryville, Sevierville, Clinton, Gatlinburg, Lenoir City, Pigeon Forge
Time zone	Eastern (UTC-5 / UTC-4 DST)
Year established	November 1, 1999
Original 1947 NPA?	No
Parent code	423
Overlay codes	None
Currently in use?	Yes, actively assigned
Ten-digit dialing required?	Yes

Cities Served by Area Code 865

Area code 865 serves Knoxville metropolitan area and nine surrounding counties in central East Tennessee (Anderson, Blount, Grainger, Jefferson, Knox, Loudon, Roane, Sevier, and Union), including the following cities and communities:

• Knoxville
• Oak Ridge
• Maryville
• Sevierville
• Clinton
• Gatlinburg
• Lenoir City
• Pigeon Forge

Nearby area codes covering the same broader region include: 423, 615, 629, 731, 901, 931.

How to Get a 865 Phone Number

There are three ways to get a phone number with the 865 area code, each suited to a different need:

1. Buy from a premium-number specialist. Companies that hold curated inventories of specific area codes can sell you a 865 number directly, often with a one-time fee and ownership transferred to you (no recurring carrier fees). This is the option for picking a specific memorable number, or for getting an area code that most carriers won’t let you request. Browse our 865 inventory.
2. Sign up with a VoIP carrier. Voice-over-IP services (such as Google Voice, OpenPhone, Grasshopper, and many others) can typically provision a 865 number on request, especially for active overlay codes. You won’t usually get to pick the specific number, but you’ll get a working line in the area code. This is the cheapest option for anyone who doesn’t need a particular number.
3. Port an existing 865 number. If you already have a 865 phone number with another carrier, you can transfer it (port it) to a new service provider while keeping the number. This works for landlines, cell phones, and VoIP services, though landlines outside of Tennessee sometimes can’t accept inbound ports of 865 numbers due to 911 routing rules.

Looking for a 865 number? 212areacode.com offers premium 865 numbers for Knoxville, Tennessee — choose your number, port it to any carrier in 3–5 business days, and pay a one-time fee with no monthly charges. Browse available 865 numbers →

Frequently Asked Questions

Is the 865 area code still in use?
Yes. 865 is actively assigned to new phone lines in Knoxville metropolitan area and nine surrounding counties in central East Tennessee (Anderson, Blount, Grainger, Jefferson, Knox, Loudon, Roane, Sevier, and Union).

What is the parent area code of 865?
Area code 865 is an overlay of 423. Both codes serve the same region of Tennessee.

Can I get a 865 number if I don't live in Tennessee?
Yes. Phone numbers are no longer tied to a physical address. With VoIP service or a number broker, you can hold a 865 number from anywhere in the world. The number routes to whatever device or carrier you specify.

Is 865 a scam area code?
No. 865 is a legitimate, active area code for Knoxville metropolitan area and nine surrounding counties in central East Tennessee (Anderson, Blount, Grainger, Jefferson, Knox, Loudon, Roane, Sevier, and Union). Like any area code, scammers occasionally spoof 865 caller IDs, but the code itself is heavily used by real Tennessee businesses, government offices, and residents.

Why does area code 865 spell VOL?
On a standard telephone keypad, the digits 8-6-5 correspond to the letters V-O-L. The Tennessee Regulatory Authority specifically requested the 865 code for the Knoxville area because VOL is the widely recognized abbreviation for Volunteers, the nickname of the University of Tennessee athletic teams.

What area code did 865 replace in Knoxville?
Area code 865 was created from a geographic split of area code 423, which itself had replaced 615 for East Tennessee in 1995. The split took effect on November 1, 1999, with permissive dialing of 423 continuing until April 24, 2000.

Does area code 865 have an overlay?
No. As of 2026, 865 has no overlay code. It is the sole area code for its geographic territory. Ten-digit dialing was nonetheless mandated on October 24, 2021, because the 988 digit sequence existed as a local central office code within 865, which conflicted with the nationwide 988 Suicide & Crisis Lifeline shortcut.

What major landmarks or institutions are in the 865 area code?
The 865 region includes the University of Tennessee main campus in Knoxville, Oak Ridge National Laboratory, and serves as the primary gateway to Great Smoky Mountains National Park through Gatlinburg, Pigeon Forge, and Sevierville.

Related Reading

• How Do Area Codes Work?
• How Are Area Codes Assigned?
• Why the Right Area Code Matters
• When Did We Start Using Area Codes?

See where it sits in the full US area code directory.