| Phone Prefix | Range | Phones Recorded |
|---|---|---|
| (510) 357-80** | (510) 357-8000 - (510) 357-8099 | 64 |
| (510) 357-81** | (510) 357-8100 - (510) 357-8199 | 66 |
| (510) 357-82** | (510) 357-8200 - (510) 357-8299 | 70 |
| (510) 357-83** | (510) 357-8300 - (510) 357-8399 | 63 |
| (510) 357-84** | (510) 357-8401 - (510) 357-8499 | 58 |
| (510) 357-85** | (510) 357-8500 - (510) 357-8599 | 74 |
| (510) 357-86** | (510) 357-8600 - (510) 357-8699 | 64 |
| (510) 357-87** | (510) 357-8702 - (510) 357-8799 | 67 |
| (510) 357-88** | (510) 357-8800 - (510) 357-8899 | 71 |
| (510) 357-89** | (510) 357-8900 - (510) 357-8999 | 71 |
US Phone Directory: (510) 357-8***
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