| Phone Prefix | Range | Phones Recorded |
|---|---|---|
| (415) 931-40** | (415) 931-4000 - (415) 931-4099 | 71 |
| (415) 931-41** | (415) 931-4100 - (415) 931-4199 | 68 |
| (415) 931-42** | (415) 931-4200 - (415) 931-4299 | 66 |
| (415) 931-43** | (415) 931-4300 - (415) 931-4397 | 75 |
| (415) 931-44** | (415) 931-4400 - (415) 931-4499 | 58 |
| (415) 931-45** | (415) 931-4500 - (415) 931-4599 | 67 |
| (415) 931-46** | (415) 931-4600 - (415) 931-4698 | 69 |
| (415) 931-47** | (415) 931-4700 - (415) 931-4799 | 63 |
| (415) 931-48** | (415) 931-4800 - (415) 931-4899 | 63 |
| (415) 931-49** | (415) 931-4900 - (415) 931-4999 | 63 |
US Phone Directory: (415) 931-4***
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