| Phone Prefix | Range | Phones Recorded |
|---|---|---|
| (503) 579-40** | (503) 579-4000 - (503) 579-4099 | 68 |
| (503) 579-41** | (503) 579-4100 - (503) 579-4198 | 68 |
| (503) 579-42** | (503) 579-4200 - (503) 579-4299 | 69 |
| (503) 579-43** | (503) 579-4300 - (503) 579-4398 | 65 |
| (503) 579-44** | (503) 579-4400 - (503) 579-4499 | 60 |
| (503) 579-45** | (503) 579-4500 - (503) 579-4598 | 67 |
| (503) 579-46** | (503) 579-4600 - (503) 579-4697 | 55 |
| (503) 579-47** | (503) 579-4700 - (503) 579-4797 | 54 |
| (503) 579-48** | (503) 579-4802 - (503) 579-4898 | 58 |
| (503) 579-49** | (503) 579-4900 - (503) 579-4998 | 53 |
US Phone Directory: (503) 579-4***
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