The 865 area code covers Knoxville, Oak Ridge, Maryville and more in Tennessee. Provision a local 865 number in minutes.
Area code 865 covers the Knoxville metro and surrounding East Tennessee communities including Oak Ridge — site of the Manhattan Project and home of the Oak Ridge National Laboratory, the largest science and energy laboratory in the US Department of Energy system. The Great Smoky Mountains National Park, the most visited national park in the US, borders this region. The code was split from 423 in 1999.
Across Tennessee, the 865 area code serves roughly 800,000 residents in 4 communities — including Knoxville, Oak Ridge, Maryville, among others. Numbers in the 865 zone keep Easterntime, so a local line rings during your customers' business hours and shows a familiar TN caller ID on every outbound call.
865 was first introduced in 1999 under the North American Numbering Plan. It remains an active geographic code today.
Want a 865 number of your own? With Ajoxi you can claim one in minutes — no hardware, no contracts — and route calls, SMS, voicemail, and team messaging anywhere on a single UCaaS platform, with Tier-1 routing and clean caller-ID delivery on every line.
De 865 area code reaches 4 communities across Tennessee, from Knoxville to Sevierville. A customer in any of them sees a familiar local number when you call, which is the single biggest driver of answer rates — and with Ajoxi you can claim a number in any of these cities, or several at once, and route every call to the same team.
Pair a local Knoxville presence with enterprise-grade UCaaS — calling, meetings, and messaging on one platform.
Get a 865 NumberA 865 number tells Knoxville customers you're local — instant trust and higher answer rates, no office required.
Every 865 line includes HD calling, video meetings, team chat, SMS/MMS, auto-attendant, call recording, and an AI assistant.
Already have a 865 number? Port it in for free. Your number stays yours — port out anytime, no lock-in.
The 865 area code covers Knoxville, Oak Ridge, Maryville, Sevierville in Tennessee.
Phone numbers in the 865 area code operate on America/New_York time.
Yes. The 865 area code was introduced in 1999 and remains an active geographic code today.
Yes. Ajoxi provisions virtual 865 numbers with instant activation, clean caller-ID delivery, Tier-1 routing, and no setup fees — so you can build a local presence in minutes.
Choose a 865 number in the Ajoxi dashboard and it activates immediately — no hardware, no contracts, and no setup fees. Prefer to keep a number you already use? Port any existing 865 number in for free, usually within a few business days and with no downtime during the switch.
Yes. Every 865 number supports SMS and MMS alongside HD calling, so your team can text customers, run campaigns, and reply to conversations from the same line — all in the browser on any device, with no separate app to install.
Provision a 865 number with instant activation, clean caller-ID, and Tier-1 routing — no setup fees, live in minutes.