| 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 |
|---|---|---|---|
| 865-425 | Oak Ridge | Anderson | Landline |
| 865-297 | Knoxville | Knox | Landline |
| 865-658 | Maynardville | Union | Landline |
| 865-282 | Knoxville | Knox | Wireless |
| 865-688 | Knoxville | Knox | Landline |
| 865-259 | Clinton | Anderson | Landline |
| 865-896 | Knoxville | Knox | Landline |
| 865-933 | Mascot | Knox | Landline |
| 865-804 | Knoxville | Knox | Wireless |
| 865-963 | Knoxville | Knox | Landline |
| 865-458 | Loudon | Loudon | Landline |
| 865-377 | Knoxville | Knox | Landline |
| 865-214 | Knoxville | Knox | Wireless |
| 865-494 | Lake City | Anderson | Landline |
| 865-394 | Kingston | Roane | Wireless |
| 865-914 | Knoxville | Knox | Landline |
| 865-724 | Maryville | Blount | Wireless |
| 865-694 | Knoxville | Knox | Landline |
| 865-444 | Knoxville | Knox | Landline |
| 865-988 | Lenoir City | Loudon | Landline |