Area code 865 - Wikipedia
https://en.wikipedia.org/wiki/Area_code_865
WEBArea code 865 serves Knoxville, Tennessee, and the nine surrounding counties (Anderson, Blount, Grainger, Jefferson, Knox, Loudon, Roane, Sevier, and Union) in central East Tennessee. The area incorporates most of the region defined as the Knoxville-Sevierville-La Follette Combined Statistical Area.
DA: 28 PA: 92 MOZ Rank: 78