| District of Tennessee area codes: 865 | |
|---|---|
| Country | United States |
| State/Province | Tennessee |
| Major City | Knoxville |
| Time Zone | Eastern |
| Prefix | County | Primary City | Company |
|---|---|---|---|
| 865-377 | Knox | Knoxville, TN | Us Lec Of Tennessee, Inc |
| 865-379 | Blount | Maryville, TN | Bellsouth Telecomm Inc DBA South Central Bell Tel |
| 865-380 | Blount | Maryville, TN | Bellsouth Telecomm Inc DBA South Central Bell Tel |
| 865-381 | Knox | Knoxville, TN | Alec |
| 865-382 | Knox | Knoxville, TN | New Cingular Wireless PCS - GA |
| 865-383 | Cocke | Newport, TN | Teleport Communications America |
| 865-384 | Knox | Knoxville, TN | Sprint Spectrum L.p. |
| 865-385 | Knox | Knoxville, TN | Sprint Spectrum L.p. |
| 865-386 | Knox | Knoxville, TN | Sprint Spectrum L.p. |
| 865-387 | Knox | Knoxville, TN | New Cingular Wireless PCS - GA |
| 865-388 | Knox | Knoxville, TN | Sprint Spectrum L.p. |
| 865-389 | Knox | Knoxville, TN | Sprint Spectrum L.p. |
| 865-392 | Knox | Concord, TN | Nuvox Communications |
| 865-394 | Roane | Kingston, TN | United States Cellular Corp. - Tennessee |
| 865-395 | Knox | Powell, TN | Us Lec Of Tennessee, Inc |
| 865-397 | Jefferson | Dandridge, TN | Bellsouth Telecomm Inc DBA South Central Bell Tel |
| 865-399 | Roane | Kingston, TN | Cellco Partnership DBA Verizon Wireless |
| 865-401 | Knox | Knoxville, TN | Comcast Phone Of Tennessee |
| 865-402 | Knox | Knoxville, TN | Usa Mobility Wireless |
| 865-403 | Knox | Knoxville, TN | Bellsouth Telecomm Inc DBA South Central Bell Tel |
There are 378 prefixes, In the code area, the major cities are Knoxville, TN;Maryville, TN;Oak Ridge, TN;Oak Ridg. The major city is Knoxville.