| Phone Prefix | Range | Phones Recorded |
|---|---|---|
| (650) 440-00** | (650) 440-0004 - (650) 440-0099 | 7 |
| (650) 440-01** | (650) 440-0165 - (650) 440-0195 | 3 |
| (650) 440-02** | (650) 440-0207 - (650) 440-0244 | 3 |
| (650) 440-03** | (650) 440-0300 - (650) 440-0375 | 5 |
| (650) 440-04** | (650) 440-0444 - (650) 440-0444 | 1 |
| (650) 440-05** | (650) 440-0508 - (650) 440-0597 | 16 |
| (650) 440-06** | (650) 440-0604 - (650) 440-0693 | 14 |
| (650) 440-07** | (650) 440-0700 - (650) 440-0792 | 18 |
| (650) 440-08** | (650) 440-0802 - (650) 440-0885 | 8 |
| (650) 440-09** | (650) 440-0958 - (650) 440-0996 | 2 |
US Phone Directory: (650) 440-0***
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