| Phone Prefix | Range | Phones Recorded |
|---|---|---|
| (510) 478-30** | (510) 478-3015 - (510) 478-3076 | 8 |
| (510) 478-31** | (510) 478-3114 - (510) 478-3198 | 7 |
| (510) 478-32** | (510) 478-3225 - (510) 478-3299 | 7 |
| (510) 478-33** | (510) 478-3320 - (510) 478-3380 | 5 |
| (510) 478-34** | (510) 478-3403 - (510) 478-3496 | 12 |
| (510) 478-35** | (510) 478-3502 - (510) 478-3599 | 5 |
| (510) 478-36** | (510) 478-3608 - (510) 478-3684 | 6 |
| (510) 478-37** | (510) 478-3716 - (510) 478-3799 | 7 |
| (510) 478-38** | (510) 478-3826 - (510) 478-3894 | 5 |
| (510) 478-39** | (510) 478-3901 - (510) 478-3943 | 7 |
US Phone Directory: (510) 478-3***
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