Area code 865 serves Knoxville, Tennessee, and surrounding areas in East Tennessee. Known as the gateway to the Great Smoky Mountains, this region blends urban activity with rich natural landscapes. Knoxville is home to the University of Tennessee, which anchors the city with educational influence and research activity. Major employers in the area include Oak Ridge National Laboratory, TVA (Tennessee Valley Authority), and various healthcare systems. The economy is driven by education, government, manufacturing, and growing tech and energy sectors. The 865 area code was introduced in 1999 as a split from 423, and its numbers were intentionally chosen to spell "VOL" on the keypad, a nod to the Tennessee Volunteers. Culturally, the area offers a strong sense of community, affordability, and easy access to national parks and outdoor activities. Businesses that operate in 865 enjoy a combination of hometown warmth and strategic infrastructure, making it a desirable area for both startups and established enterprises.