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.
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.
Provision a 865 number with instant activation, clean caller-ID, and Tier-1 routing — no setup fees, live in minutes.