| Business | Phone |
| Advanced Answering & Comm Lake Oswego 97034 | (503) 972-3337 |
| Free Office 5 Centerpointe Dr # 400, Lake Oswego 97035 | (503) 639-5553 |
| Intelesoft Technologies 5285 Meadows Rd, Lake Oswego 97035 | (503) 670-8603 |
| Lake Oswego Answering Svc 400 2nd St, Lake Oswego 97034 | (503) 972-8484 |
| Oregon Voice Mail 400 2nd St, Lake Oswego 97034 | (503) 972-2200 |