| Phone Prefix | Range | Phones Recorded |
|---|---|---|
| (408) 509-50** | (408) 509-5000 - (408) 509-5093 | 21 |
| (408) 509-51** | (408) 509-5101 - (408) 509-5199 | 22 |
| (408) 509-52** | (408) 509-5219 - (408) 509-5290 | 16 |
| (408) 509-53** | (408) 509-5304 - (408) 509-5398 | 22 |
| (408) 509-54** | (408) 509-5400 - (408) 509-5498 | 15 |
| (408) 509-55** | (408) 509-5515 - (408) 509-5596 | 15 |
| (408) 509-56** | (408) 509-5600 - (408) 509-5692 | 22 |
| (408) 509-57** | (408) 509-5700 - (408) 509-5791 | 21 |
| (408) 509-58** | (408) 509-5808 - (408) 509-5898 | 12 |
| (408) 509-59** | (408) 509-5904 - (408) 509-5977 | 15 |
US Phone Directory: (408) 509-5***
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