| Business | Phone |
| Alcatel Wire & Cable Inc 10 N Hill Dr, Warrenton 20186 | (540) 347-2839 |
| All Telecommunications Sltn 6929 Tulip Hill Dr, Warrenton 20187 | (703) 858-7700 |
| C & P Telephone Arlington Blvd, Warrenton 20186 | (540) 349-4606 |
| Mc Leod Usa 273 W Shirley Ave, Warrenton 20186 | (540) 428-1078 |
| Nethouse Usa 7454 Edgehill Dr, Warrenton 20186 | (540) 349-7222 |