| General Information about Area Code 865 | |
|---|---|
| Country | United States |
| State / Province / Territory | Tennessee |
| Major City | Knoxville |
| Time Zone | Eastern (UTC-05:00) |
| Prefix | Primary City | County | Phone Type |
|---|---|---|---|
| 865-392 | Knoxville | Knox | Landline |
| 865-385 | Knoxville | Knox | Wireless |
| 865-316 | Kingston | Roane | Landline |
| 865-231 | Knoxville | Knox | Wireless |
| 865-320 | Knoxville | Knox | Wireless |
| 865-287 | Knoxville | Knox | Wireless |
| 865-435 | Oliver Springs | Roane | Landline |
| 865-656 | Knoxville | Knox | Landline |
| 865-242 | Knoxville | Knox | Wireless |
| 865-262 | Jefferson City | Jefferson | Landline |
| 865-224 | Kingston | Roane | Wireless |
| 865-712 | Knoxville | Knox | Wireless |
| 865-689 | Knoxville | Knox | Landline |
| 865-481 | Oak Ridge | Anderson | Landline |
| 865-717 | Kingston | Roane | Landline |
| 865-603 | Knoxville | Knox | Wireless |
| 865-999 | Knox | Knox | - |
| 865-274 | Knoxville | Knox | Landline |
| 865-266 | Knoxville | Knox | Wireless |
| 865-643 | Knoxville | Knox | Wireless |