| Business | Phone |
| A-1 Telephone Secretary 130 N 7th St, Allentown 18101 | (215) 788-3368 |
| Answernet Tel-A-Talk 41 N 8th St, Allentown 18101 | (610) 621-5100 |
| Appletree Answering Svc Allentown 18101 | (484) 224-7000 |
| Dispatch Answering Svc Allentown 18102 | (610) 433-0720 |
| Keystone Answering Svc 823 W Walnut St, Allentown 18102 | (610) 433-7511 |