| Business | Phone |
| Atx Telecommunications 50 Monument Rd, Bala Cynwyd 19004 | (610) 668-3000 |
| Frontier Communications 401 E City Ave, Bala Cynwyd 19004 | (610) 747-1120 |
| Global Crossing Telecomm 401 E City Ave, Bala Cynwyd 19004 | (610) 660-6160 |
| United Telco 191 Presidential Blvd, Bala Cynwyd 19004 | (610) 667-8315 |