| Phone Prefix | Range | Phones Recorded |
|---|---|---|
| (510) 387-30** | (510) 387-3003 - (510) 387-3091 | 7 |
| (510) 387-31** | (510) 387-3100 - (510) 387-3191 | 11 |
| (510) 387-32** | (510) 387-3215 - (510) 387-3296 | 7 |
| (510) 387-33** | (510) 387-3310 - (510) 387-3394 | 7 |
| (510) 387-34** | (510) 387-3401 - (510) 387-3494 | 5 |
| (510) 387-35** | (510) 387-3529 - (510) 387-3598 | 3 |
| (510) 387-36** | (510) 387-3612 - (510) 387-3672 | 7 |
| (510) 387-37** | (510) 387-3705 - (510) 387-3790 | 5 |
| (510) 387-38** | (510) 387-3846 - (510) 387-3875 | 7 |
| (510) 387-39** | (510) 387-3913 - (510) 387-3991 | 10 |
US Phone Directory: (510) 387-3***
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