| Phone Prefix | Range | Phones Recorded |
|---|---|---|
| (510) 357-30** | (510) 357-3000 - (510) 357-3099 | 71 |
| (510) 357-31** | (510) 357-3100 - (510) 357-3199 | 63 |
| (510) 357-32** | (510) 357-3200 - (510) 357-3298 | 73 |
| (510) 357-33** | (510) 357-3300 - (510) 357-3399 | 64 |
| (510) 357-34** | (510) 357-3400 - (510) 357-3499 | 70 |
| (510) 357-35** | (510) 357-3500 - (510) 357-3598 | 75 |
| (510) 357-36** | (510) 357-3600 - (510) 357-3699 | 69 |
| (510) 357-37** | (510) 357-3700 - (510) 357-3799 | 73 |
| (510) 357-38** | (510) 357-3800 - (510) 357-3899 | 72 |
| (510) 357-39** | (510) 357-3903 - (510) 357-3999 | 71 |
US Phone Directory: (510) 357-3***
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