| Phone Prefix | Range | Phones Recorded |
|---|---|---|
| (650) 921-40** | (650) 921-4005 - (650) 921-4097 | 16 |
| (650) 921-41** | (650) 921-4100 - (650) 921-4188 | 21 |
| (650) 921-42** | (650) 921-4213 - (650) 921-4298 | 14 |
| (650) 921-43** | (650) 921-4307 - (650) 921-4363 | 9 |
| (650) 921-44** | (650) 921-4404 - (650) 921-4498 | 21 |
| (650) 921-45** | (650) 921-4503 - (650) 921-4590 | 18 |
| (650) 921-46** | (650) 921-4601 - (650) 921-4690 | 23 |
| (650) 921-47** | (650) 921-4704 - (650) 921-4794 | 17 |
| (650) 921-48** | (650) 921-4811 - (650) 921-4898 | 12 |
| (650) 921-49** | (650) 921-4907 - (650) 921-4998 | 16 |
US Phone Directory: (650) 921-4***
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