Main city: Loudon
Timezone: Eastern
Phone type: Landline
Operator: Bellsouth Telecomm Inc DBA South Central Bell Tel

Loudon, a town in and the county seat of Loudon County, Tennessee, United States. Its population was 4,476 at the 2000 census. It is included in the Knoxville, Tennessee Metropolitan Statistical Area. The city is located in eastern Tennessee, southwest of Knoxville, on the Tennessee River. Fort Loudoun, the colonial era fort for which the city was named, is located several miles to the south in Monroe County. ^source

Area 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. Cities in the 865 area include Knoxville, Clinton, Gatlinburg, Harriman, Jefferson City, Lenoir City, Maryville, Maynardville, Norris, Oak Ridge, Rockwood, Rutledge, and Sevierville. ^source