Area Code 865
Tennessee
Area code 865 serves Tennessee, primarily Knoxville, in the Eastern Time (ET) time zone. It was created from a split of area code 423.
Split Area Code
This area code was created by splitting an existing area code into separate geographic regions. When a split occurs, some customers in the original area code region are assigned the new area code.
This area code was split from area code 423 (Chattanooga).
In service since: 01-Nov-1999
Demographics
The estimated population served by area code 865 is approximately 1,708,860. The population density is 208 people per square mile, which is higher than the national average of 94. The median household income is $71,662, which is near the national median of $78,538. Approximately 28.6% of adults hold a bachelor's degree or higher, compared to the national rate of 35.0%. This rate is lower than the national average. The poverty rate stands at 12.8%, which is near the national rate of 12.4%.
History
Area code 865 was created from a split of area code 423. It was introduced in 1999 as part of a geographic division to provide additional numbering resources.
Demographics & Economics
- Total Population
- 1,708,860
- Population Density
- 208 people/sq miabove U.S. average (U.S.: 94 people/sq mi)
- Median Household Income
- $71,662near U.S. median (U.S.: $78,538)
- Poverty Rate
- 12.8%near U.S. average (U.S.: 12.4%)
- Unemployment Rate
- 4.1%below U.S. average (U.S.: 5.2%)
- Education Attainment
- Bachelor's Degree+28.6%below U.S. average (U.S.: 35.0%)High School or Lower36.1%
Statistics are population-weighted aggregations from Census ACS 5-year estimates.See Sources for details.
Geographic Coverage
State
TN
Major Cities
- Knoxville
- Maryville
- Oak Ridge
- Farragut
- Sevierville
- Seymour
- Powell
- Alcoa
- Clinton
- Halls
- Pigeon Forge
- Loudon
- Kingston
- Harriman
- Rockwood
- Louisville
- Karns
- Gatlinburg
- Dandridge
- Oliver Springs
- Bean Station
- Mascot
- Blaine
- Coalfield
and 30 more cities
Time Zone
- Eastern Time (ET)
Current Time
County Coverage
Population-weighted county share based on aggregated ZCTA population (100% = total mapped population for area code 865).
| County | Population | Share |
|---|---|---|
| Knox, TN | 582,591 | 34.1% |
| Blount, TN | 204,618 | 12.0% |
| Sevier, TN | 173,267 | 10.1% |
| Anderson, TN | 162,782 | 9.5% |
| Roane, TN | 131,734 | 7.7% |
| Loudon, TN | 110,316 | 6.5% |
| Jefferson, TN | 109,272 | 6.4% |
| Union, TN | 61,724 | 3.6% |
| Monroe, TN | 52,437 | 3.1% |
| Morgan, TN | 39,858 | 2.3% |
| Grainger, TN | 30,581 | 1.8% |
| Hamblen, TN | 16,321 | 1.0% |
| Cumberland, TN | 13,710 | 0.8% |
| Campbell, TN | 5,673 | 0.3% |
| McMinn, TN | 4,177 | 0.2% |
| Meigs, TN | 4,177 | 0.2% |
| Claiborne, TN | 1,874 | 0.1% |
| Hancock, TN | 1,874 | 0.1% |
| Hawkins, TN | 1,874 | 0.1% |
Call Context
This area code covers a metropolitan region in TN with moderate to high population density, centered on Knoxville and surrounding communities.
Nearby Area Codes
Area codes geographically closest to 865.
Other Area Codes in Tennessee
Area codes that also serve Tennessee, linked for easy comparison.
Frequently Asked Questions
Common questions about area code 865 and how phone numbering works.
Phone numbers assigned to area code 865 are tied to where they were originally provisioned — not the caller's current location. This code serving roughly 1709k people covers Knoxville in TN, so a number originally set up there will retain the 865 prefix even if the owner moves or uses VoIP. Mobile phones keep their original number when users relocate, and businesses often adopt local area codes to establish a regional presence.
Start by looking up the area code on this site to understand its geographic context — area code 865 is associated with Knoxville in TN. For caller-specific details, use your carrier's caller ID features or check public directories. If you suspect fraud, you can report it to the FTC. To file a complaint about robocalls or spoofed numbers, visit the FCC Consumer Complaint Center. You can also register with the National Do Not Call Registry.
Area codes are sometimes "split" when an existing code runs out of available number combinations. In a split, the original territory is divided geographically, with each portion receiving its own area code. This area code was split from area code 423. See our guide on splits and overlays for details.