865 Area Code
Eastern Tennessee (Knoxville), Tennessee
Area code 865 is located in Eastern Tennessee (Knoxville), Tennessee. It covers Knoxville, Maryville, and surrounding areas in the Eastern time zone (UTC-5). Administered by NANPA.
Where is area code 865?
Area code 865 is located in Eastern Tennessee (Knoxville), Tennessee. It covers Knoxville, Maryville, and surrounding areas in the Eastern time zone (UTC-5).
Cities Covered by Area Code 865
Area code 865 primarily serves the Eastern Tennessee (Knoxville) area of Tennessee. The exact coverage includes Knoxville, Maryville, and Oak Ridge, along with surrounding communities and suburbs.
Time Zone
Eastern Time — UTC-5
Area code 865 operates in the Eastern Time Zone. When calling 865 numbers from a different time zone, be sure to account for the time difference to reach people during business hours.
About Area Code 865
Area code 865 was introduced in 1999 as a geographic area code serving Eastern Tennessee (Knoxville), Tennessee. It remains the primary area code for this region. Area codes are administered by NANPA (North American Numbering Plan Administration), the organization responsible for managing phone number resources in the US and Canada.