| Phone Prefix | Range | Phones Recorded |
|---|---|---|
| (503) 570-75** | (503) 570-7501 - (503) 570-7580 | 27 |
| (503) 570-76** | (503) 570-7600 - (503) 570-7697 | 28 |
| (503) 570-77** | (503) 570-7700 - (503) 570-7799 | 37 |
| (503) 570-78** | (503) 570-7800 - (503) 570-7890 | 21 |
| (503) 570-79** | (503) 570-7900 - (503) 570-7982 | 29 |
US Phone Directory: (503) 570-7***
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