| Phone Prefix | Range | Phones Recorded |
|---|---|---|
| (415) 523-70** | (415) 523-7042 - (415) 523-7042 | 1 |
| (415) 523-71** | (415) 523-7163 - (415) 523-7163 | 1 |
| (415) 523-72** | (415) 523-7285 - (415) 523-7285 | 1 |
| (415) 523-73** | (415) 523-7342 - (415) 523-7342 | 1 |
| (415) 523-74** | (415) 523-7406 - (415) 523-7439 | 2 |
| (415) 523-75** | (415) 523-7535 - (415) 523-7597 | 3 |
| (415) 523-77** | (415) 523-7733 - (415) 523-7796 | 8 |
| (415) 523-78** | (415) 523-7802 - (415) 523-7895 | 19 |
| (415) 523-79** | (415) 523-7906 - (415) 523-7959 | 2 |
US Phone Directory: (415) 523-7***
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