| Phone Prefix | Range | Phones Recorded |
|---|---|---|
| (503) 378-00** | (503) 378-0000 - (503) 378-0099 | 58 |
| (503) 378-01** | (503) 378-0100 - (503) 378-0199 | 56 |
| (503) 378-02** | (503) 378-0200 - (503) 378-0297 | 44 |
| (503) 378-03** | (503) 378-0300 - (503) 378-0399 | 50 |
| (503) 378-04** | (503) 378-0400 - (503) 378-0498 | 55 |
| (503) 378-05** | (503) 378-0500 - (503) 378-0598 | 49 |
| (503) 378-06** | (503) 378-0601 - (503) 378-0698 | 58 |
| (503) 378-07** | (503) 378-0700 - (503) 378-0798 | 60 |
| (503) 378-08** | (503) 378-0803 - (503) 378-0897 | 64 |
| (503) 378-09** | (503) 378-0900 - (503) 378-0999 | 68 |
US Phone Directory: (503) 378-0***
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