| Business | Phone |
| France Telecom North America 5025 Arapaho Rd, Addison 75001 | (972) 789-2965 |
| Global One 15301 Spectrum Dr, Addison 75001 | (972) 789-2965 |
| Impressive Telecom 4807 Keller Springs Rd, Addison 75001 | (972) 991-6888 |
| Intermedia Customer Svc 5080 Spectrum Dr # 500e, Addison 75001 | (972) 450-3000 |
| Time Warner Telecom Inc 15303 Dallas Pkwy, Addison 75001 | (972) 455-7800 |