| Phone Prefix | Range | Phones Recorded |
|---|---|---|
| (510) 235-20** | (510) 235-2000 - (510) 235-2099 | 69 |
| (510) 235-21** | (510) 235-2100 - (510) 235-2198 | 70 |
| (510) 235-22** | (510) 235-2200 - (510) 235-2298 | 67 |
| (510) 235-23** | (510) 235-2300 - (510) 235-2399 | 76 |
| (510) 235-24** | (510) 235-2401 - (510) 235-2499 | 73 |
| (510) 235-25** | (510) 235-2501 - (510) 235-2599 | 75 |
| (510) 235-26** | (510) 235-2600 - (510) 235-2699 | 68 |
| (510) 235-27** | (510) 235-2700 - (510) 235-2799 | 72 |
| (510) 235-28** | (510) 235-2803 - (510) 235-2899 | 82 |
| (510) 235-29** | (510) 235-2901 - (510) 235-2998 | 68 |
US Phone Directory: (510) 235-2***
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